Lehnen Jr. , L. P., Biological Station, U. o. M., & Arbor, A. (1982). Phenotypic variation in three populations of Campanula rotundifolia L. in northern lower Michigan.
Chicago Style (17th ed.) CitationLehnen Jr. , Larry P., University of Michigan Biological Station, and Ann Arbor. Phenotypic Variation in Three Populations of Campanula Rotundifolia L. in Northern Lower Michigan. 1982.
MLA (9th ed.) CitationLehnen Jr. , Larry P., et al. Phenotypic Variation in Three Populations of Campanula Rotundifolia L. in Northern Lower Michigan. 1982.
Warning: These citations may not always be 100% accurate.