Feynman, R. P. (1997). Six not-so-easy pieces: Einstein's relativity, symmetry, and space-time. Addison-Wesley Publishing Co.
Chicago Style (17th ed.) CitationFeynman, Richard Phillips. Six Not-so-easy Pieces: Einstein's Relativity, Symmetry, and Space-time. [S.l.]: Addison-Wesley Publishing Co, 1997.
MLA (9th ed.) CitationFeynman, Richard Phillips. Six Not-so-easy Pieces: Einstein's Relativity, Symmetry, and Space-time. Addison-Wesley Publishing Co, 1997.
Warning: These citations may not always be 100% accurate.