The weed flora of Iowa,
by L.H. Pammel and Charlotte M. King with collaboration of J.N. Martin, J.C. Gilman, J.C. Cunningham, Ada Hayden F.D. Butcher, D. Porter, R.R. Rothacker ...
APA Citation
Pammel, L. H. (Louis Hermann)., Rothacker, R. R., Porter, D., Butcher, F. D., Hayden, A., Cunningham, J. Cool., Gilman, J. C., Martin, J. N. (John Nathan)., King, C. M. (1926). The weed flora of Iowa. Des Moines: Published by the Iowa Geological survey, by the State of Iowa.
MLA Citation
King, C. M, et al.. The Weed Flora of Iowa. Des Moines: Published by the Iowa Geological survey, by the State of Iowa, 1926.
Warning: These citations may not always be complete (especially for serials).