Cita APA (7th 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 (17th ed.)

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

Cita MLA (9th ed.)

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