Cita APA

URSS. Geographyc Society. (1962). Soviet geography. [S.l.]: American geographica society.

Citación estilo Chicago

URSS. Geographyc Society. Soviet Geography. [S.l.]: American geographica society, 1962.

Cita MLA

URSS. Geographyc Society. Soviet Geography. [S.l.]: American geographica society, 1962.

Precaución: Estas citas no son 100% exactas.