APA (7th ed.) Citation

Landgraf, G., & Landgraf, W. (1979). Nestfund des Birkenzeisigs Acanthis flammea in Regensburg.

Chicago Style (17th ed.) Citation

Landgraf, Gertrud, and Wilhelm Landgraf. Nestfund Des Birkenzeisigs Acanthis Flammea in Regensburg. 1979.

MLA (9th ed.) Citation

Landgraf, Gertrud, and Wilhelm Landgraf. Nestfund Des Birkenzeisigs Acanthis Flammea in Regensburg. 1979.

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