"crucial in creating" is correct and usable in written English.
You can use it when you want to emphasize the importance of something in a process or action. For example: "Timing is crucial in creating a successful marketing campaign."
Yet these 78s were as crucial in creating our modern musical sensibility as D. W. Griffith's films were in creating the grammar of cinematic narrative.
The mining industry, however, has stressed that the projects are crucial in creating thousands of jobs in Queensland as well as billions of dollars in taxes.
This was particularly relevant to devolution, where Christie's role was crucial in creating an apparently irresistible demand for the delivery of a Scottish parliament.
Data has always been crucial in creating programming, but some television executives worry that focusing too much on it will keep networks from pushing for innovative new content.
For this reason, partnering with nationalized and rural banks – and training bank managers – has become crucial in creating access for low-income households to SELCO's products.
In the face of terrible tragedies like the one unfolding in Nepal, leaders are also crucial in creating a context for action.
Effective questioning is one of the most important teaching techniques and plays a crucial role in creating an effective learning environment.
All crucial elements in creating a nightmare zombie wasteland".
Twenty/20 has played a crucial role in creating interest in cricket to a new audience.
Patients are crucial actors in creating solutions to the challenges facing the health service.
As one of those leaders, you play a crucial role in creating a community where all can flourish.
