APA (7th ed.) Citation

Willock, C. D. (1974). Africa's rift valley. Time-Life Books.

Chicago Style (17th ed.) Citation

Willock, Colin D. Africa's Rift Valley. Amsterdam: Time-Life Books, 1974.

MLA (8th ed.) Citation

Willock, Colin D. Africa's Rift Valley. Time-Life Books, 1974.

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