APA (7th ed.) Citation

Ngumy, J. (1992). The boy who rode a lion (1. publ.). Heinemann.

Chicago Style (17th ed.) Citation

Ngumy, James. The Boy Who Rode a Lion. 1. publ. London u.a: Heinemann, 1992.

MLA (9th ed.) Citation

Ngumy, James. The Boy Who Rode a Lion. 1. publ. Heinemann, 1992.