APA (7th ed.) Citation

Walker, E. A. (1957). History of Southern Africa ([3rd ed.].). Longman.

Chicago Style (17th ed.) Citation

Walker, Eric A. History of Southern Africa. [3rd ed.]. London: Longman, 1957.

MLA (9th ed.) Citation

Walker, Eric A. History of Southern Africa. [3rd ed.]. Longman, 1957.