APA (7th ed.) Citation

First. (1994). Gay City Guide: Köln. First Köln.

Chicago Style (17th ed.) Citation

First. Gay City Guide: Köln. Köln: First Köln, 1994.

MLA (8th ed.) Citation

First. Gay City Guide: Köln. First Köln, 1994.

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