APA (7th ed.) Citation

Triolet, E., Aragon, & Guillén, S. (1975). Fresa silvestre. Euros.

Chicago Style (17th ed.) Citation

Triolet, Elsa, Aragon, and Salvador Guillén. Fresa Silvestre. Barcelona: Euros, 1975.

MLA (9th ed.) Citation

Triolet, Elsa, et al. Fresa Silvestre. Euros, 1975.