APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Mettler, Lawrence E., and Thomas G. Gregg. Population Genetics and Evolution. Englewood Cliffs (New Jersey): Prentice-Hall, 1969.

MLA (9th ed.) Citation

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