Cita APA (7a ed.)

Holzner, L., & Knapp, J. M. (1987). Soviet geography studies: In our time. University of Wisconsin.

Cita Chicago Style (17a ed.)

Holzner, Lutz, y Jeane M. Knapp. Soviet Geography Studies: In Our Time. Milwaukee: University of Wisconsin, 1987.

Cita MLA (9a ed.)

Holzner, Lutz, y Jeane M. Knapp. Soviet Geography Studies: In Our Time. University of Wisconsin, 1987.