Cita APA

Smith, R. K., Johnson, B., & Mohr, C. (1998). Groundwork for a better vocabulary (2nd ed.; instructor's ed.). Townsend Press.

Citación estilo Chicago

Smith, R. Kent, Beth Johnson, and Carole Mohr. Groundwork for a Better Vocabulary. 2nd ed.; instructor's ed. Marlton, NJ: Townsend Press, 1998.

Cita MLA

Smith, R. Kent, et al. Groundwork for a Better Vocabulary. 2nd ed.; instructor's ed. Townsend Press, 1998.