Cita APA (7a ed.)

Esler, W. K., & Esler, M. K. (1996). Teaching elementary science (7th ed.). Wadsworth Pub. Co..

Cita Chicago Style (17a ed.)

Esler, William K., y Mary K. Esler. Teaching Elementary Science. 7th ed. Belmont: Wadsworth Pub. Co., 1996.

Cita MLA (9a ed.)

Esler, William K., y Mary K. Esler. Teaching Elementary Science. 7th ed. Wadsworth Pub. Co., 1996.