APA (7th ed.) Citation

Buchheit, G. (1975). Spionage in zwei Weltkriegen.

Chicago Style (17th ed.) Citation

Buchheit, Gert. Spionage in Zwei Weltkriegen. 1975.

MLA (9th ed.) Citation

Buchheit, Gert. Spionage in Zwei Weltkriegen. 1975.

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