Cita APA (7th ed.)

Mettler, L. E., & Gregg, T. G. (1969). Population genetics and evolution. Prentice-Hall.

Cita Chicago (17th ed.)

Mettler, Lawrence E., i Thomas G. Gregg. Population Genetics and Evolution. Englewood Cliffs, N.J: Prentice-Hall, 1969.

Cita MLA (9th ed.)

Mettler, Lawrence E., i Thomas G. Gregg. Population Genetics and Evolution. Prentice-Hall, 1969.

Atenció: Aquestes cites poden no estar 100% correctes.