Cita APA (7th ed.)

Balzak, S. S., Vasyutin, V. F., & Feigin, G. (1949). Economic geography of the USSR. The MacMillan.

Cita Chicago (17th ed.)

Balzak, S. S., V. F. Vasyutin, i G. Feigin. Economic Geography of the USSR. Nueva York: The MacMillan, 1949.

Cita MLA (9th ed.)

Balzak, S. S., et al. Economic Geography of the USSR. The MacMillan, 1949.