Citazione Stile APA (7a Edizione)

Marshall, A. J., & Williams, W. D. (1995). Texbook of Zoology Vertebrates (7th ed.). Laxman Chand Arya for AITBS Publishers.

Citazione stile Chigago Style (17a edizione)

Marshall, A. J., e W. D. Williams. Texbook of Zoology Vertebrates. 7th ed. Delhi: Laxman Chand Arya for AITBS Publishers, 1995.

Citatione MLA (9a ed.)

Marshall, A. J., e W. D. Williams. Texbook of Zoology Vertebrates. 7th ed. Laxman Chand Arya for AITBS Publishers, 1995.