APA (7th ed.) Citation

Conn, E. L. (1987). A historical and taxonomic investigation of the genus Hemerocallis (daylilies) for the Missouri Botanical Garden. [publisher not identified].

Chicago Style (17th ed.) Citation

Conn, Elisa L. A Historical and Taxonomic Investigation of the Genus Hemerocallis (daylilies) for the Missouri Botanical Garden. [Place of publication not identified]: [publisher not identified], 1987.

MLA (9th ed.) Citation

Conn, Elisa L. A Historical and Taxonomic Investigation of the Genus Hemerocallis (daylilies) for the Missouri Botanical Garden. [publisher not identified], 1987.