APA (7th ed.) Citation

Sachs, M. (1981). The UFO encyclopedia. Corgi Books.

Chicago Style (17th ed.) Citation

Sachs, Margaret. The UFO Encyclopedia. Corgi Books, 1981.

MLA (8th ed.) Citation

Sachs, Margaret. The UFO Encyclopedia. Corgi Books, 1981.

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