APA (7th ed.) Citation

Ritter, H. (1989). Sahara. Ellert & Richter.

Chicago Style (17th ed.) Citation

Ritter, Hans. Sahara. Hamburg: Ellert & Richter, 1989.

MLA (9th ed.) Citation

Ritter, Hans. Sahara. Ellert & Richter, 1989.

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