APA (7th ed.) Citation

Swanson, B. E. (1984). Agricultural extension: A reference manual (2nd ed.). Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Swanson, Burton E. Agricultural Extension: A Reference Manual. 2nd ed. Rome: Food and Agriculture Organization of the United Nations, 1984.

MLA (9th ed.) Citation

Swanson, Burton E. Agricultural Extension: A Reference Manual. 2nd ed. Food and Agriculture Organization of the United Nations, 1984.