APA (7th ed.) Citation

Pitkin, W. (1965). Life begins at fifty. Simon and Schuster.

Chicago Style (17th ed.) Citation

Pitkin, Walter. Life Begins at Fifty. New York: Simon and Schuster, 1965.

MLA (9th ed.) Citation

Pitkin, Walter. Life Begins at Fifty. Simon and Schuster, 1965.

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