APA (7th ed.) Citation

Sutherland, W. J. (1998). Evidence for flexibility and constraint in migration systems. Journal of Avian Biology, 29(4), 441. https://doi.org/10.2307/3677163

Chicago Style (17th ed.) Citation

Sutherland, William J. "Evidence for Flexibility and Constraint in Migration Systems." Journal of Avian Biology 29, no. 4 (1998): 441. https://doi.org/10.2307/3677163.

MLA (9th ed.) Citation

Sutherland, William J. "Evidence for Flexibility and Constraint in Migration Systems." Journal of Avian Biology, vol. 29, no. 4, 1998, p. 441, https://doi.org/10.2307/3677163.