Παραπομπή σε μορφή APA (7η εκδ.)

Gosler, A., & Wilkin, T. (2017). Eggshell speckling in a passerine bird reveals chronic long-term decline in soil calcium. Taylor and Francis.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gosler, A., και T. Wilkin. Eggshell Speckling in a Passerine Bird Reveals Chronic Long-term Decline in Soil Calcium. Taylor and Francis, 2017.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gosler, A., και T. Wilkin. Eggshell Speckling in a Passerine Bird Reveals Chronic Long-term Decline in Soil Calcium. Taylor and Francis, 2017.