Svensson, B. G. (1980). Species-isolating mechanisms in male bumble bees, Hymenoptera, Apidae. Almqvist & Wiksell.
Chicago Style (17th ed.) CitationSvensson, Bo G. Species-isolating Mechanisms in Male Bumble Bees, Hymenoptera, Apidae. Stockholm: Almqvist & Wiksell, 1980.
MLA (9th ed.) CitationSvensson, Bo G. Species-isolating Mechanisms in Male Bumble Bees, Hymenoptera, Apidae. Almqvist & Wiksell, 1980.
Warning: These citations may not always be 100% accurate.