Cita APA (7a ed.)

Chena González, R. (1963). Perception of extension work in méxico. Cornell University.

Cita Chicago Style (17a ed.)

Chena González, Rodolfo. Perception of Extension Work in México. Ithaca: Cornell University, 1963.

Cita MLA (8a ed.)

Chena González, Rodolfo. Perception of Extension Work in México. Cornell University, 1963.