APA (7th ed.) Citation

Lüttig, G., & Michel, G. (1976). Otto Sickenberg. Schweizerbart.

Chicago Style (17th ed.) Citation

Lüttig, Gerd, and Gert Michel. Otto Sickenberg. Hannover: Schweizerbart, 1976.

MLA (9th ed.) Citation

Lüttig, Gerd, and Gert Michel. Otto Sickenberg. Schweizerbart, 1976.

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