Cita APA (7a ed.)

Palmer, J. D., & Head, J. J. (1984). Biological rhythms and living clocks (2a ed. rev.). Carolina Biological Supply, Scientific Publications Department.

Cita Chicago Style (17a ed.)

Palmer, John D., y J. J. Head. Biological Rhythms and Living Clocks. 2a ed. rev. Burlington, N.C.: Carolina Biological Supply, Scientific Publications Department, 1984.

Cita MLA (8a ed.)

Palmer, John D., y J. J. Head. Biological Rhythms and Living Clocks. 2a ed. rev. Carolina Biological Supply, Scientific Publications Department, 1984.