APA (7th ed.) Citation

Friedman, W. J. (1990). About time: Inventing the fourth dimension. MIT Press.

Chicago Style (17th ed.) Citation

Friedman, William J. About Time: Inventing the Fourth Dimension. Cambridge, Mass: MIT Press, 1990.

MLA (8th ed.) Citation

Friedman, William J. About Time: Inventing the Fourth Dimension. MIT Press, 1990.

Warning: These citations may not always be 100% accurate.