Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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