APA (7th ed.) Citation

Wallgren, H. (1956). Zur Biologie der Goldammer, Emberiza citrinella L.

Chicago Style (17th ed.) Citation

Wallgren, Henrik. Zur Biologie Der Goldammer, Emberiza Citrinella L. Helsingfors, 1956.

MLA (9th ed.) Citation

Wallgren, Henrik. Zur Biologie Der Goldammer, Emberiza Citrinella L. 1956.

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