APA (7th ed.) Citation

Bigard, A., Crestey, M., & Grappy, J. (1970). Problemas de álgebra moderna. Reverté.

Chicago Style (17th ed.) Citation

Bigard, Alain, M. Crestey, and J. Grappy. Problemas De álgebra Moderna. Barcelona: Reverté, 1970.

MLA (9th ed.) Citation

Bigard, Alain, et al. Problemas De álgebra Moderna. Reverté, 1970.