APA (7th ed.) Zitazioa

Opal, J. M. (2008). Beyond the farm: National ambitions in rural New England. University of Pennsylvania Press.

Chicago Style (17th ed.) Zitazioa

Opal, J. M. Beyond the Farm: National Ambitions in Rural New England. Philadelphia: University of Pennsylvania Press, 2008.

MLA (9th ed.) Zitazioa

Opal, J. M. Beyond the Farm: National Ambitions in Rural New England. University of Pennsylvania Press, 2008.