APA Citation

Harker, J. E. (1964). The physiology of diurnal rhythms: J. E. Harker. Cambridge: Cambridge University Pr..

Chicago Style Citation

Harker, J. E. The Physiology of Diurnal Rhythms: J. E. Harker. Cambridge: Cambridge University Pr., 1964.

MLA Citation

Harker, J. E. The Physiology of Diurnal Rhythms: J. E. Harker. Cambridge: Cambridge University Pr., 1964.

Warning: These citations may not always be 100% accurate.