APA (7th ed.) Citation

Quintana, F. (1982). Rural labor productivity on small farms in the state of Rio Grande do Sul, Brazil. [publisher not identified].

Chicago Style (17th ed.) Citation

Quintana, Flavio. Rural Labor Productivity on Small Farms in the State of Rio Grande Do Sul, Brazil. [Place of publication not identified]: [publisher not identified], 1982.

MLA (9th ed.) Citation

Quintana, Flavio. Rural Labor Productivity on Small Farms in the State of Rio Grande Do Sul, Brazil. [publisher not identified], 1982.