Citazione Stile APA (7a Edizione)

Metcalf , C. (1962). Destructive and Useful Insects (4th ed.). Tata Mc Graw Hill.

Citazione stile Chigago Style (17a edizione)

Metcalf , C.L. Destructive and Useful Insects. 4th ed. New Delhi: Tata Mc Graw Hill, 1962.

Citatione MLA (9a ed.)

Metcalf , C.L. Destructive and Useful Insects. 4th ed. Tata Mc Graw Hill, 1962.