APA (7th ed.) Citation

Gregor, H. F. (1973). Geografía de la agricultura. Vicens-Vives.

Chicago Style (17th ed.) Citation

Gregor, Howard F. Geografía De La Agricultura. Vicens-Vives, 1973.

MLA (9th ed.) Citation

Gregor, Howard F. Geografía De La Agricultura. Vicens-Vives, 1973.

Warning: These citations may not always be 100% accurate.