Cita APA (7a ed.)

Scheuerman, R. D., Clement, J., & McGregor, A. C. (2013). Harvest Heritage: Agricultural Origins and Heirloom Crops of the Pacific Northwest. Washington State University Press.

Cita Chicago Style (17a ed.)

Scheuerman, Richard D., John Clement, y Alexander Campbell McGregor. Harvest Heritage: Agricultural Origins and Heirloom Crops of the Pacific Northwest. Pullman, Wash.: Washington State University Press, 2013.

Cita MLA (8a ed.)

Scheuerman, Richard D., et al. Harvest Heritage: Agricultural Origins and Heirloom Crops of the Pacific Northwest. Washington State University Press, 2013.