APA (7th ed.) Citation

Pörzgen, H. (1972). 100mal Sowjetunion. Piper.

Chicago Style (17th ed.) Citation

Pörzgen, Hermann. 100mal Sowjetunion. München: Piper, 1972.

MLA (9th ed.) Citation

Pörzgen, Hermann. 100mal Sowjetunion. Piper, 1972.

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