APA (7th ed.) Citation

Shafer, B. C., Augspurger, E., & McLemore, R. A. (1977). A high school history of modern America (3. ed.). Laidlaw.

Chicago Style (17th ed.) Citation

Shafer, Boyd C., Everett Augspurger, and Richard A. McLemore. A High School History of Modern America. 3. ed. River Forest, Ill: Laidlaw, 1977.

MLA (9th ed.) Citation

Shafer, Boyd C., et al. A High School History of Modern America. 3. ed. Laidlaw, 1977.