APA (7th ed.) Citation

Keel, W. C. (2006). The Sky at Einstein’s Feet. Praxis Publishing Ltd.

Chicago Style (17th ed.) Citation

Keel, William C. The Sky at Einstein’s Feet. New York, NY: Praxis Publishing Ltd, 2006.

MLA (8th ed.) Citation

Keel, William C. The Sky at Einstein’s Feet. Praxis Publishing Ltd, 2006.

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