Cita APA (7th ed.)

Stearn, C. W., Carroll, R. L., & Clark, T. H. (1978). Geological evolution of North America (3d ed.). Wiley.

Cita Chicago (17th ed.)

Stearn, Colin William, Robert Lynn Carroll, i Thomas Henry Clark. Geological Evolution of North America. 3d ed. New York: Wiley, 1978.

Cita MLA (9th ed.)

Stearn, Colin William, et al. Geological Evolution of North America. 3d ed. Wiley, 1978.

Atenció: Aquestes cites poden no estar 100% correctes.