Cita APA (7th ed.)

(1953). Farm forestry extension: What it is and how it works / W.K. Williams.

Cita Chicago (17th ed.)

Farm Forestry Extension: What It Is and How It Works / W.K. Williams. 1953.

Cita MLA (9th ed.)

Farm Forestry Extension: What It Is and How It Works / W.K. Williams. 1953.