Feynman, R. P. 1., Leighton, R. B., Sands, M. L., & Penrose, R. (1997). Six not-so-easy pieces: Einsteinʹs relativity, symmetry, and space-time. Reading, Mass: Addison-Wesley Pub..
Chicago Style CitationFeynman, Richard. P 1918-1988, Robert B. Leighton, Matthew L. Sands, and Roger Penrose. Six Not-so-easy Pieces: Einsteinʹs Relativity, Symmetry, and Space-time. Reading, Mass: Addison-Wesley Pub., 1997.
MLA CitationFeynman, Richard. P 1918-1988, Robert B. Leighton, Matthew L. Sands, and Roger Penrose. Six Not-so-easy Pieces: Einsteinʹs Relativity, Symmetry, and Space-time. Reading, Mass: Addison-Wesley Pub., 1997.
Warning: These citations may not always be 100% accurate.