APA (7th ed.) Citation

Tolstoi, L., Santos, H. J., & Gil y Gavilondo, I. Ana Karenine.

Chicago Style (17th ed.) Citation

Tolstoi, León, Hervás J. Santos, and Isidro Gil y Gavilondo. Ana Karenine. México.

MLA (9th ed.) Citation

Tolstoi, León, et al. Ana Karenine.