APA (7th ed.) Citation
Merega, H., Fradkin, R. O., Gonzalez, A. S., & Jauregui, A. . P. (1990). Historia 1. Santillana.
Chicago Style (17th ed.) Citation
Merega, Herminia, Raul Osvaldo Fradkin, Alba Susana Gonzalez, and Anibal Pablo Jauregui. Historia 1. Buenos Aires: Santillana, 1990.
MLA (9th ed.) Citation
Merega, Herminia, et al. Historia 1. Santillana, 1990.
Warning: These citations may not always be 100% accurate.