Friedman, W. J. (1990). About time: Inventing the fourth dimension. MIT.
Chicago Style (17th ed.) CitationFriedman, William J. About Time: Inventing the Fourth Dimension. Cambridge (Massachusetts) [etc.]: MIT, 1990.
MLA (9th ed.) CitationFriedman, William J. About Time: Inventing the Fourth Dimension. MIT, 1990.
Warning: These citations may not always be 100% accurate.