APA (7th ed.) Citation

Entwistle, M., & Jacobs, H. (1928). The Call Drum: Forest adventures in Africa. Edinburgh House Press.

Chicago Style (17th ed.) Citation

Entwistle, Mary, and Helen Jacobs. The Call Drum: Forest Adventures in Africa. London: Edinburgh House Press, 1928.

MLA (8th ed.) Citation

Entwistle, Mary, and Helen Jacobs. The Call Drum: Forest Adventures in Africa. Edinburgh House Press, 1928.

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