APA (7th ed.) Citation

Crompton, R., Landeta, C., & Duhart, M. R. (1993). Guillermo Investiga. Andrés Bello.

Chicago Style (17th ed.) Citation

Crompton, Richmal, Carmen Landeta, and María Rosa Duhart. Guillermo Investiga. Chile: Andrés Bello, 1993.

MLA (9th ed.) Citation

Crompton, Richmal, et al. Guillermo Investiga. Andrés Bello, 1993.