APA (7th ed.) Citation

Hagenlocher, A. (1976). Horst Janssen.

Chicago Style (17th ed.) Citation

Hagenlocher, Alfred. Horst Janssen. 1976.

MLA (9th ed.) Citation

Hagenlocher, Alfred. Horst Janssen. 1976.

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