Gaya APA

Elrod, S, L., Stansfield, W, D. (2010). Schaum's outlines genetics (2nd ed). New York: McGraw-Hill.

Gaya MLA

Elrod, Susan, L.., Stansfield, William, D.. "Schaum's outlines genetics". 2nd ed New York: McGraw-Hill, 2010. Text.