APA (7th ed.) Citation

Trockij, L. D., Breitman, G., & Saunders, G. (1977). Portraits.

Chicago Style (17th ed.) Citation

Trockij, Lev Davidovič, George Breitman, and George Saunders. Portraits. 1977.

MLA (8th ed.) Citation

Trockij, Lev Davidovič, et al. Portraits. 1977.