Cita APA (7a ed.)

Green, J., Freckleton, R., & Hatchwell, B. (2016). Variation in helper effort among cooperatively breeding bird species is consistent with Hamilton’s Rule. Nature.

Cita Chicago Style (17a ed.)

Green, J., R. Freckleton, y B. Hatchwell. Variation in Helper Effort Among Cooperatively Breeding Bird Species Is Consistent with Hamilton’s Rule. Nature, 2016.

Cita MLA (9a ed.)

Green, J., et al. Variation in Helper Effort Among Cooperatively Breeding Bird Species Is Consistent with Hamilton’s Rule. Nature, 2016.