Cita APA (7th ed.)
Gordon, D. (1991). Growing fruit in the upper Midwest. University of Minnesota Press.
Cita Chicago (17th ed.)
Gordon, Donald. Growing Fruit in the Upper Midwest. Minneapolis: University of Minnesota Press, 1991.
Cita MLA (9th ed.)
Gordon, Donald. Growing Fruit in the Upper Midwest. University of Minnesota Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.