APA (7th ed.) Citation

Dr. Helmut Tenner (Heidelberg). (1977). Auktion.

Chicago Style (17th ed.) Citation

Dr. Helmut Tenner (Heidelberg). Auktion. Heidelberg, 1977.

MLA (9th ed.) Citation

Dr. Helmut Tenner (Heidelberg). Auktion. 1977.

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