“May: Collect Your Seeds.” California Native Gardening: A Month-by-Month Guide, by HELEN POPPER, 1st ed., University of California Press, Berkeley; Los Angeles; London, 2012, pp. 111–121, www.jstor.org/stable/10.1525/j.ctt1pp46t.11. Accessed 17 Apr. 2021.
POPPER, H. (2012). May: Collect Your Seeds. In California Native Gardening: A Month-by-Month Guide (pp. 111-121). Berkeley; Los Angeles; London: University of California Press. Retrieved April 17, 2021, from http://www.jstor.org/stable/10.1525/j.ctt1pp46t.11
POPPER, HELEN. "May: Collect Your Seeds." In California Native Gardening: A Month-by-Month Guide, 111-21. Berkeley; Los Angeles; London: University of California Press, 2012. Accessed April 17, 2021. http://www.jstor.org/stable/10.1525/j.ctt1pp46t.11.
Export a RIS file (For EndNote, ProCite, Reference Manager, Zotero, Mendeley…)
Export a Text file (For BibTex)
Note: Always review your references and make any necessary corrections before using. Pay attention to names, capitalization, and dates.