The problem of St. Johnswort :
a noxious plant in western Montana /
by Melvin Morris and Joseph Meuchel.

APA Citation

Morris, M. S., Meuchel, J., Montana State University (Missoula). School of Forestry., Montana Forest and Conservation Experiment Station. (1956). The problem of St. Johnswort: a noxious plant in western Montana. Missoula, Mont.: Montana Forest and Conservation Experiment Station, School of Forestry, Montana State University.

MLA Citation

Morris, Melvin S, Joseph Meuchel, Montana State University (Missoula). School of Forestry, and Montana Forest and Conservation Experiment Station. The Problem of St. Johnswort: a Noxious Plant In Western Montana. Missoula, Mont.: Montana Forest and Conservation Experiment Station, School of Forestry, Montana State University, 1956.