APA (7th ed.) Citation

Eilers, L. J., & Roosa, D. M. (1994). The vascular plants of Iowa: An annotated checklist and natural history. Univ. of Iowa Press.

Chicago Style (17th ed.) Citation

Eilers, Lawrence J., and Dean M. Roosa. The Vascular Plants of Iowa: An Annotated Checklist and Natural History. Iowa City: Univ. of Iowa Press, 1994.

MLA (9th ed.) Citation

Eilers, Lawrence J., and Dean M. Roosa. The Vascular Plants of Iowa: An Annotated Checklist and Natural History. Univ. of Iowa Press, 1994.