APA (7th ed.) Citation

Sagan, F. (1971). A few hours of sunlight ([1st U.S. ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Sagan, Francoise. A Few Hours of Sunlight. [1st U.S. ed.]. New York: Harper & Row, 1971.

MLA (8th ed.) Citation

Sagan, Francoise. A Few Hours of Sunlight. [1st U.S. ed.]. Harper & Row, 1971.