APA (7th ed.) Citation

Schweinfurth, G. A. The heart of Africa, Vol. 1 (of 2).

Chicago Style (17th ed.) Citation

Schweinfurth, Georg August. The Heart of Africa, Vol. 1 (of 2).

MLA (9th ed.) Citation

Schweinfurth, Georg August. The Heart of Africa, Vol. 1 (of 2).

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