APA (7th ed.) Citation

Boyd, A. R., Nickerson, J., & Jackson, C. (1986). Tropical and southern Africa (4. ed.). Scholastic.

Chicago Style (17th ed.) Citation

Boyd, Allen R., John Nickerson, and Carolyn Jackson. Tropical and Southern Africa. 4. ed. [New York]: Scholastic, 1986.

MLA (9th ed.) Citation

Boyd, Allen R., et al. Tropical and Southern Africa. 4. ed. Scholastic, 1986.