APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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