Gaya APA

Demerec, M. (1945). Drosophila Guide: a Guide Introductory of the Genetics & Cytology of Drosophila Melanogaster (Ed. 4.--). New York: Cold Spring Harbor.

Gaya MLA

Demerec, M.. "Drosophila Guide: a Guide Introductory of the Genetics & Cytology of Drosophila Melanogaster". Ed. 4.-- New York: Cold Spring Harbor, 1945. Text.