APA (7th ed.) Citation

Murphy, E. J., & Jefferson, L. E. (1969). Understanding Africa. Crowell.

Chicago Style (17th ed.) Citation

Murphy, E. Jefferson, and Louise E. Jefferson. Understanding Africa. New York: Crowell, 1969.

MLA (9th ed.) Citation

Murphy, E. Jefferson, and Louise E. Jefferson. Understanding Africa. Crowell, 1969.