APA (7th ed.) Citation

Amadi, Houghton, & Davey. (1976). The great ponds. Heinemann Educational Books.

Chicago Style (17th ed.) Citation

Amadi, Houghton, and Davey. The Great Ponds. London: Heinemann Educational Books, 1976.

MLA (8th ed.) Citation

Amadi, et al. The Great Ponds. Heinemann Educational Books, 1976.