Citazione Stile APA (7a Edizione)

Grasman, J. (1971). On the birth of boundary layers. Mathematisch Centrum.

Citazione stile Chigago Style (17a edizione)

Grasman, Johan. On the Birth of Boundary Layers. Amsterdam: Mathematisch Centrum, 1971.

Citatione MLA (8a ed.)

Grasman, Johan. On the Birth of Boundary Layers. Mathematisch Centrum, 1971.