Ricker, W. E. (1943). Stoneflies of Southwestern British Columbia. Indiana university.
Chicago Style (17th ed.) CitationRicker, William Edwin. Stoneflies of Southwestern British Columbia. Bloomington, Ind: Indiana university, 1943.
MLA (9th ed.) CitationRicker, William Edwin. Stoneflies of Southwestern British Columbia. Indiana university, 1943.
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