APA (7th ed.) Citation

Schmitt, C. J., & Barr, K. (1974). Español: Sigamos (2d ed.). Webster Division, McGraw-Hill.

Chicago Style (17th ed.) Citation

Schmitt, Conrad J., and Kenneth Barr. Español: Sigamos. 2d ed. New York: Webster Division, McGraw-Hill, 1974.

MLA (9th ed.) Citation

Schmitt, Conrad J., and Kenneth Barr. Español: Sigamos. 2d ed. Webster Division, McGraw-Hill, 1974.