APA-viite

Esau, K., Holt, R., & Winston. Biology studies: Vascular differenciation in plants.

Chicago-tyylinen lähdeviittaus

Esau, Katherine, Rinehart Holt, ja Winston. Biology Studies: Vascular Differenciation in Plants.

MLA-viite

Esau, Katherine, et al. Biology Studies: Vascular Differenciation in Plants.