APA (7th ed.) Citation

Crompton, R., Landeta, C., & Duhart, M. R. (1993). Guillermo (2a. ed.). Andrés Bello.

Chicago Style (17th ed.) Citation

Crompton, Richmal, Carmen Landeta, and M. Rosa Duhart. Guillermo. 2a. ed. Santiago: Andrés Bello, 1993.

MLA (9th ed.) Citation

Crompton, Richmal, et al. Guillermo. 2a. ed. Andrés Bello, 1993.

Warning: These citations may not always be 100% accurate.