APA (7th ed.) Citation

Cowper, R. (1969). Breakthrough. Ballantine Books.

Chicago Style (17th ed.) Citation

Cowper, Richard. Breakthrough. New York: Ballantine Books, 1969.

MLA (8th ed.) Citation

Cowper, Richard. Breakthrough. Ballantine Books, 1969.

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