APA (7th ed.) Citation

Pekkarinen, A. (1979). Morphometric, colour, and enzyme variation in bumblebees (Hymenoptera, Apidae, Bombus) in Fennoscandia and Denmark. Helsingfors.

Chicago Style (17th ed.) Citation

Pekkarinen, Antti. Morphometric, Colour, and Enzyme Variation in Bumblebees (Hymenoptera, Apidae, Bombus) in Fennoscandia and Denmark. Helsinki: Helsingfors, 1979.

MLA (9th ed.) Citation

Pekkarinen, Antti. Morphometric, Colour, and Enzyme Variation in Bumblebees (Hymenoptera, Apidae, Bombus) in Fennoscandia and Denmark. Helsingfors, 1979.