Cita APA (7a ed.)

Wellnitz, W. R. (1997). Genetics: Problem solving guide (2nd ed.). WCB.

Cita Chicago Style (17a ed.)

Wellnitz, William R. Genetics: Problem Solving Guide. 2nd ed. Dubuque [etc.]: WCB, 1997.

Cita MLA (9a ed.)

Wellnitz, William R. Genetics: Problem Solving Guide. 2nd ed. WCB, 1997.