Gaya APA

KARLSSON, B., WIKLUND, C. (2005). Butterfly life history and temperature adaptations; dry open habitats select for increased fecundity and longevity . London: British Ecological Society.

Gaya MLA

KARLSSON, BENGT., WIKLUND, CHRISTER. "Butterfly life history and temperature adaptations; dry open habitats select for increased fecundity and longevity". London: British Ecological Society, 2005. e-journal.