Grimm, W. C. (1968). Recognizing flowering wild plants. Stackpole Books.
Čikaški stil citiranja (17. izdanje)Grimm, William Carey. Recognizing Flowering Wild Plants. Harrisburg, Pa: Stackpole Books, 1968.
MLA način citiranja (9. izdanje)Grimm, William Carey. Recognizing Flowering Wild Plants. Stackpole Books, 1968.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.