Cita APA (7th ed.)

Eastman, M. (1925). Leon Trotsky: The portrait of a youth. Greenberg, inc.

Cita Chicago (17th ed.)

Eastman, Max. Leon Trotsky: The Portrait of a Youth. New York: Greenberg, inc, 1925.

Cita MLA (9th ed.)

Eastman, Max. Leon Trotsky: The Portrait of a Youth. Greenberg, inc, 1925.