Knudsen, J. W. (1966). Biological techniques: Collecting, preserving and illustrating plants and animals. Harper & Row John Weatherhill, Inc.
Chicago Style (17th ed.) CitationKnudsen, Jens W. Biological Techniques: Collecting, Preserving and Illustrating Plants and Animals. New York Tokyo: Harper & Row John Weatherhill, Inc, 1966.
MLA (8th ed.) CitationKnudsen, Jens W. Biological Techniques: Collecting, Preserving and Illustrating Plants and Animals. Harper & Row John Weatherhill, Inc, 1966.
Warning: These citations may not always be 100% accurate.