Cita APA

Sumner, B. H. n. 1., & Sumner, B. H. n. 1. (1943). A Short history of Russia. New York, New York: Reynal y Hitchcock.

Citación estilo Chicago

Sumner, Benedict Humphrey n. 1893, y Benedict Humphrey n. 1893 Sumner. A Short History of Russia. New York, New York: Reynal y Hitchcock, 1943.

Cita MLA

Sumner, Benedict Humphrey n. 1893, y Benedict Humphrey n. 1893 Sumner. A Short History of Russia. New York, New York: Reynal y Hitchcock, 1943.