APA (7th ed.) Citation

Allen, B. (1976). Skin diving and snorkeling / by B. Allen. A. and C. Black.

Chicago Style (17th ed.) Citation

Allen, Barry. Skin Diving and Snorkeling / by B. Allen. A. and C. Black, 1976.

MLA (9th ed.) Citation

Allen, Barry. Skin Diving and Snorkeling / by B. Allen. A. and C. Black, 1976.

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