APA (7th ed.) Citation

Feynman, R. P. (2005). Perfectly reasonable deviations from the beaten track: The letters of Richard P. Feynman. Basic Books.

Chicago Style (17th ed.) Citation

Feynman, Richard P. Perfectly Reasonable Deviations from the Beaten Track: The Letters of Richard P. Feynman. New York: Basic Books, 2005.

MLA (9th ed.) Citation

Feynman, Richard P. Perfectly Reasonable Deviations from the Beaten Track: The Letters of Richard P. Feynman. Basic Books, 2005.