APA aipamena

Wille, A., & Michener, C. D. (1970). Observations on the nests of Costa Rican Halictus with taxonomic notes on Neotropical species (Hymenoptera: Halictidae).

Chicago Style aipamena

Wille, Alvaro, y Carles D. Michener. Observations On the Nests of Costa Rican Halictus With Taxonomic Notes On Neotropical Species (Hymenoptera: Halictidae). 1970.

MLA aipamena

Wille, Alvaro, y Carles D. Michener. Observations On the Nests of Costa Rican Halictus With Taxonomic Notes On Neotropical Species (Hymenoptera: Halictidae). 1970.