APA (7th ed.) Citation

Christiansen, R. (1956). For the heart of Africa. Publ. House.

Chicago Style (17th ed.) Citation

Christiansen, Ruth. For the Heart of Africa. Augsburg: Publ. House, 1956.

MLA (8th ed.) Citation

Christiansen, Ruth. For the Heart of Africa. Publ. House, 1956.

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