Citazione Stile APA (7a Edizione)

Jorgensen, P. (1963). German grammar in collaboration with Ove K. Calusen. New York University Press.

Citazione stile Chigago Style (17a edizione)

Jorgensen, Peter. German Grammar in Collaboration with Ove K. Calusen. [New York]: New York University Press, 1963.

Citatione MLA (9a ed.)

Jorgensen, Peter. German Grammar in Collaboration with Ove K. Calusen. New York University Press, 1963.