APA (7th ed.) Citation

Bourne, M. A., Silman, J. B., & Sobrino, J. (1978). El espanol: La teoria y la practica (2nd ed.). Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Bourne, Marjorie A., James B. Silman, and Josephine Sobrino. El Espanol: La Teoria Y La Practica. 2nd ed. New York: Holt, Rinehart and Winston, 1978.

MLA (9th ed.) Citation

Bourne, Marjorie A., et al. El Espanol: La Teoria Y La Practica. 2nd ed. Holt, Rinehart and Winston, 1978.