APA Citation

Nelson, R. A., & Williams, R. L. (1992). Handbook of Rocky Mountain plants (4th ed.). Niwot, Colo.: Roberts Rinehart Publishers.

Chicago Style Citation

Nelson, Ruth Ashton, and Roger Lawrence Williams. Handbook of Rocky Mountain Plants. 4th ed. Niwot, Colo.: Roberts Rinehart Publishers, 1992.

MLA Citation

Nelson, Ruth Ashton, and Roger Lawrence Williams. Handbook of Rocky Mountain Plants. 4th ed. Niwot, Colo.: Roberts Rinehart Publishers, 1992.

Warning: These citations may not always be 100% accurate.