APA (7th ed.) Citation

Johnston, K., Ravenstein, E. G., & Keane, A. H. (1884). Africa (4th ed.). E. Stanford.

Chicago Style (17th ed.) Citation

Johnston, Keith, Ernest George Ravenstein, and A. H. Keane. Africa. 4th ed. London: E. Stanford, 1884.

MLA (8th ed.) Citation

Johnston, Keith, et al. Africa. 4th ed. E. Stanford, 1884.