APA (7th ed.) Citation

Ristow, D., Wink, C., Wink, M., & Scharlau, W. (1998). Colour polymorphism in Eleonora's falcon: Falco eleonorae. Sandgrouse, 20(1), .

Chicago Style (17th ed.) Citation

Ristow, Dietrich, Coralie Wink, Michael Wink, and Winfried Scharlau. "Colour Polymorphism in Eleonora's Falcon: Falco Eleonorae." Sandgrouse 20, no. 1 (1998).

MLA (9th ed.) Citation

Ristow, Dietrich, et al. "Colour Polymorphism in Eleonora's Falcon: Falco Eleonorae." Sandgrouse, vol. 20, no. 1, 1998.