APA (7th ed.) Citation

Bach, R., Howell, C., & Howell, F. (1983). Juan Salvador Gaviota. Vergara.

Chicago Style (17th ed.) Citation

Bach, Richard, Carol Howell, and Frederick Howell. Juan Salvador Gaviota. Barcelona ; Buenos Aires: Vergara, 1983.

MLA (9th ed.) Citation

Bach, Richard, et al. Juan Salvador Gaviota. Vergara, 1983.