Cita APA

Wheeler, J. A. (1990). A journey into gravity and spacetime. Scientific American Library.

Citación estilo Chicago

Wheeler, John Archibald. A Journey into Gravity and Spacetime. New York: Scientific American Library, 1990.

Cita MLA

Wheeler, John Archibald. A Journey into Gravity and Spacetime. Scientific American Library, 1990.

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