The phrase "attributed only to a" is correct and usable in written English.
It can be used when specifying that something is exclusively assigned or credited to a particular person, group, or source.
Example: "The discovery of the new species is attributed only to a team of dedicated researchers."
Alternatives: "exclusively credited to a" or "solely assigned to a".
This view is further supported by ichnological records showing large tridactyl (three-toed) footprints that can be attributed only to a theropod dinosaur.
The single condition he imposed on reporters at the lunch was that his remarks be attributed only to a "Republican Senate candidate" — though within 12 hours the world knew which Republican Senate candidate was trash-talking his president.
But Ms. Cutter, reflecting the concern among the campaigns that they not be viewed as turning a foreign policy victory to political advantage, put a note on the top of the statement demanding that it be reported as "background" and attributed only to a Democratic campaign.
For them, shamanism may be attributed only to a precise pattern of cultural phenomena in a specific, well-defined territory, one that forms a concrete, systematic whole, such as the religious systems of the peoples mentioned at the beginning of this section.
In addition, the causes of almost one-third of falls were nonspecific and attributed only to a loss of balance.
These findings suggest that the different associations in both ER subgroups cannot be attributed only to a different proliferation rate.
Swastikas are a more disturbing motif, which Mr. Johnston attributes only to a fascination with World War II.
Since the social group was not homogeneous, validity and executive power were attributed only to decisions taken unanimously in an assembly, and the deliberations in each instance concerned only the question of conformity to tradition.
The bones have opposing pairs of teeth marks on them, a bite attributed only to mammals during that time.
Feminist art initiatives like Woman House and galleries like A.I.R. shattered the notion that artistic genius was a status attributed only to white men.
Its existence could be attributed only to the hypnotic powers of its founder, a dancer, director, and composer named Yuri Sherling.
