Παραπομπή σε μορφή APA (7η εκδ.)

Bouwhuis, S., Sheldon, B., Verhulst, S., & Charmantier, A. (2009). Great tits growing old: Selective disappearance and the partitioning of senescence to stages within the breeding cycle.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bouwhuis, S., B. Sheldon, S. Verhulst, και A. Charmantier. Great Tits Growing Old: Selective Disappearance and the Partitioning of Senescence to Stages Within the Breeding Cycle. 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bouwhuis, S., et al. Great Tits Growing Old: Selective Disappearance and the Partitioning of Senescence to Stages Within the Breeding Cycle. 2009.