Citazione Stile APA (7a Edizione)

Datta, S. C. (1992). An introduction to gymnosperms (4th ed.). Kalyani Publishers.

Citazione stile Chigago Style (17a edizione)

Datta, Subhash Chandra. An Introduction to Gymnosperms. 4th ed. New Delhi: Kalyani Publishers, 1992.

Citatione MLA (9a ed.)

Datta, Subhash Chandra. An Introduction to Gymnosperms. 4th ed. Kalyani Publishers, 1992.