APA (7th ed.) Citation

(1970). Horst Janssen: Drawings ; November 1970, Marlborough Fine Art (London).

Chicago Style (17th ed.) Citation

Horst Janssen: Drawings ; November 1970, Marlborough Fine Art (London). London, 1970.

MLA (9th ed.) Citation

Horst Janssen: Drawings ; November 1970, Marlborough Fine Art (London). 1970.

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