APA Citatie

(1961). Seeds: The yearbook of griculture 1961. Washington: The United State Department of Agriculture.

Chicago Style citaat

Seeds: The Yearbook of Griculture 1961. Washington: The United State Department of Agriculture, 1961.

MLA citatie

Seeds: The Yearbook of Griculture 1961. Washington: The United State Department of Agriculture, 1961.

Let op: Deze citaties zijn niet altijd 100% accuraat.