Citazione Stile APA (7a Edizione)

Levy , C. K. (1978). Elements of biology (2nd ed.). Addison-Wesley.

Citazione stile Chigago Style (17a edizione)

Levy , Charles K. Elements of Biology. 2nd ed. Reading, Mass: Addison-Wesley, 1978.

Citatione MLA (9a ed.)

Levy , Charles K. Elements of Biology. 2nd ed. Addison-Wesley, 1978.