Cita APA

Biggs, H. H., & Tinnermeier, R. L. (1974). Small farm agricultural development problems. Colorado: Colorado State University.

Citación estilo Chicago

Biggs, Hantley H., and Ronald L. Tinnermeier. Small Farm Agricultural Development Problems. Colorado: Colorado State University, 1974.

Cita MLA

Biggs, Hantley H., and Ronald L. Tinnermeier. Small Farm Agricultural Development Problems. Colorado: Colorado State University, 1974.