APA (7th ed.) Citation

Derrick. (1975). Africa's slaves today. Allen and Unwin.

Chicago Style (17th ed.) Citation

Derrick. Africa's Slaves Today. London: Allen and Unwin, 1975.

MLA (8th ed.) Citation

Derrick. Africa's Slaves Today. Allen and Unwin, 1975.

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