APA (7th ed.) Citation

Bortstein, L., & Berkowitz, H. (1971). Scuba, spear, and snorkel ([1st ed.].). Cowles Book Co..

Chicago Style (17th ed.) Citation

Bortstein, Larry, and Henry Berkowitz. Scuba, Spear, and Snorkel. [1st ed.]. New York: Cowles Book Co., 1971.

MLA (9th ed.) Citation

Bortstein, Larry, and Henry Berkowitz. Scuba, Spear, and Snorkel. [1st ed.]. Cowles Book Co., 1971.