APA (7th ed.) Citation

Feynman, R. P. (1997). Six not-so-easy pieces: Einstein's relativity, symmetry, and space-time. Perseus Books.

Chicago Style (17th ed.) Citation

Feynman, Richard Phillips. Six Not-so-easy Pieces: Einstein's Relativity, Symmetry, and Space-time. Cambridge: Perseus Books, 1997.

MLA (9th ed.) Citation

Feynman, Richard Phillips. Six Not-so-easy Pieces: Einstein's Relativity, Symmetry, and Space-time. Perseus Books, 1997.