The phrase "form a link" is correct and usable in written English.
You could use this phrase to describe the process of connecting two ideas, references, people, places, or things. For example, "The author used her experience to form a link between her past and her present."
The Paul Smith suits, like the guitar playing, form a link with these peers".
Together they form a link between the land and sea forces.
The group expressed concern that money changing hands via such official channels would form a link between the authorities and poachers that could encourage the trade.
His plays, notably The School for Scandal (1777), form a link in the history of the comedy of manners between the end of the 17th century and Oscar Wilde in the 19th century.
Asteroxylon, which occurs with Rhynia, and other Rhynie plants in the Lower Old Red Sandstone Rhynie Chert of Scotland form a link with the lycopsids by having lateral sporangia and a dense leafy stem.
Devonian rocks of mixed terrestrial and marine type are known from boreholes under London, and these form a link with the Pas de Calais outcrops and to the classic areas of the Ardennes.
The last five missions are based on those in Hurricane Pack 2 and form a linked series known as "Eternal Legend".
The statements form a linked structure where two labeled nodes (the subject and the object) is linked via a named edge (the predicate).
ISD routinely combines the SMR01 and SMR06 data with death registrations held by the General Register Office for Scotland to form a linked data set.
In DPβ, residues 84 87 form a linked unit, which influences the size and charge of the amino-acid side chains of antigens preferred by pocket 1.
The canal forms a link in the Atlantic Intracoastal Waterway.
