APA (7th ed.) Citation

Merikallio, E. (1958). Finnish birds: Their distribution and numbers. Tilgmann.

Chicago Style (17th ed.) Citation

Merikallio, Einari. Finnish Birds: Their Distribution and Numbers. Helsinki: Tilgmann, 1958.

MLA (9th ed.) Citation

Merikallio, Einari. Finnish Birds: Their Distribution and Numbers. Tilgmann, 1958.

Warning: These citations may not always be 100% accurate.