Peterson, C., & Upitis, A. (1999). Century farm: One hundred years on a family farm (1st. ed.). Boyds Mills Press.
Style de citation Chicago (17e éd.)Peterson, Cris, et Alvis Upitis. Century Farm: One Hundred Years on a Family Farm. 1st. ed. Honesdale, Penn.: Boyds Mills Press, 1999.
Style de citation MLA (8e éd.)Peterson, Cris, et Alvis Upitis. Century Farm: One Hundred Years on a Family Farm. 1st. ed. Boyds Mills Press, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.