APA (7th ed.) Citation

Lonard, R. I. (1976). An artificial key to cultivated perennial plants on the west campus of Pan American University, Edinburg, Texas. Dept. of Biology, The University.

Chicago Style (17th ed.) Citation

Lonard, Robert I. An Artificial Key to Cultivated Perennial Plants on the West Campus of Pan American University, Edinburg, Texas. Edinburg, Tex.: Dept. of Biology, The University, 1976.

MLA (9th ed.) Citation

Lonard, Robert I. An Artificial Key to Cultivated Perennial Plants on the West Campus of Pan American University, Edinburg, Texas. Dept. of Biology, The University, 1976.