APA (7th ed.) Citation

Maassen, H. (1969). Potsdam (o.A.). Brockhaus.

Chicago Style (17th ed.) Citation

Maassen, Hanns. Potsdam. o.A. Leipzig: Brockhaus, 1969.

MLA (8th ed.) Citation

Maassen, Hanns. Potsdam. o.A. Brockhaus, 1969.

Warning: These citations may not always be 100% accurate.