Cita APA (7th ed.)
Gardner, A. B. (2014). Grasses in your pocket: A guide to the prairie grasses of the Upper Midwest. University of Iowa Press.
Cita Chicago (17th ed.)
Gardner, Anna B. Grasses in Your Pocket: A Guide to the Prairie Grasses of the Upper Midwest. Iowa City, Iowa: University of Iowa Press, 2014.
Cita MLA (9th ed.)
Gardner, Anna B. Grasses in Your Pocket: A Guide to the Prairie Grasses of the Upper Midwest. University of Iowa Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.