Steward, A. N. (1960). Aquatic plants of the Pacific Northwest: With vegetative keys. Oregon State College.
Chicago Style (17th ed.) CitationSteward, Albert Newton. Aquatic Plants of the Pacific Northwest: With Vegetative Keys. Corvallis: Oregon State College, 1960.
MLA (8th ed.) CitationSteward, Albert Newton. Aquatic Plants of the Pacific Northwest: With Vegetative Keys. Oregon State College, 1960.
Warning: These citations may not always be 100% accurate.