APA (7e ed.) Bronvermelding

Não informado. (1917). Journal of the Department of Agriculture. University of Puerto Rico.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of the Department of Agriculture. Rio Piedras, Porto Rico: University of Puerto Rico, 1917.

MLA (8e ed.) Bronvermelding

Não informado. Journal of the Department of Agriculture. University of Puerto Rico, 1917.

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