Cita APA (7a ed.)

Ursino, C., De Mársico, M. C., Sued, M., Farall, A., & Reboreda, J. (2011). Brood parasitism disproportionately increases nest provisioning and helper recruitment in a cooperatively breeding bird. https://doi.org/10.1007/s00265-011-1238-7

Cita Chicago Style (17a ed.)

Ursino, C.A, María Cecilia De Mársico, M. Sued, A. Farall, y J.C Reboreda. Brood Parasitism Disproportionately Increases Nest Provisioning and Helper Recruitment in a Cooperatively Breeding Bird. 2011. https://dx.doi.org/10.1007/s00265-011-1238-7.

Cita MLA (8a ed.)

Ursino, C.A, et al. Brood Parasitism Disproportionately Increases Nest Provisioning and Helper Recruitment in a Cooperatively Breeding Bird. 2011.