Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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