Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

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