APA (7th ed.) Citation

Campbell, A. (1954). The heart of Africa. Longmans.

Chicago Style (17th ed.) Citation

Campbell, Alexander. The Heart of Africa. Lond.: Longmans, 1954.

MLA (8th ed.) Citation

Campbell, Alexander. The Heart of Africa. Longmans, 1954.

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