Cita APA (7a ed.)

Highsmith, R. M. (1963). Geography of Commodity production (2nd ed.). Oregon State univ..

Cita Chicago Style (17a ed.)

Highsmith, Richard M. Geography of Commodity Production. 2nd ed. Oregon: Oregon State univ., 1963.

Cita MLA (9a ed.)

Highsmith, Richard M. Geography of Commodity Production. 2nd ed. Oregon State univ., 1963.