APA (7th ed.) Citation

GUMMERSON. (1990). Going for black belt. Leopard Books.

Chicago Style (17th ed.) Citation

GUMMERSON. Going for Black Belt. London: Leopard Books, 1990.

MLA (8th ed.) Citation

GUMMERSON. Going for Black Belt. Leopard Books, 1990.

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