Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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