Cita APA

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

Citación estilo Chicago

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

Cita MLA

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