APA (7th ed.) Citation

Ryan, F. (1976). Gymnastics for girls. Penguin Books.

Chicago Style (17th ed.) Citation

Ryan, Frank. Gymnastics for Girls. New York: Penguin Books, 1976.

MLA (9th ed.) Citation

Ryan, Frank. Gymnastics for Girls. Penguin Books, 1976.

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