APA (7th ed.) Citation

Trotsky, L., Van Heijenoort, J., Naville, D., & Naville, P. Correspondance: 1929-1939. L'Harmattan (Paris).

Chicago Style (17th ed.) Citation

Trotsky, Léon, Jean Van Heijenoort, Denise Naville, and Pierre Naville. Correspondance: 1929-1939. L'Harmattan (Paris).

MLA (8th ed.) Citation

Trotsky, Léon, et al. Correspondance: 1929-1939. L'Harmattan (Paris).