Haartman, L., & Numers, M. (1992). Rain call dialects of the Chaffinch Fringilla coelebs in the archipelago of SW Finland. BirdLife Finland.
Chicago Style (17th ed.) CitationHaartman, L., and M. Numers. Rain Call Dialects of the Chaffinch Fringilla Coelebs in the Archipelago of SW Finland. BirdLife Finland, 1992.
MLA (9th ed.) CitationHaartman, L., and M. Numers. Rain Call Dialects of the Chaffinch Fringilla Coelebs in the Archipelago of SW Finland. BirdLife Finland, 1992.
Warning: These citations may not always be 100% accurate.