Cita APA (7a ed.)

Bünning, E. (1973). The physiological clock: Circadian rhythms and biological chronometry. Springer.

Cita Chicago Style (17a ed.)

Bünning, Erwin. The Physiological Clock: Circadian Rhythms and Biological Chronometry. New York ; Berlin ; Heidelberg: Springer, 1973.

Cita MLA (9a ed.)

Bünning, Erwin. The Physiological Clock: Circadian Rhythms and Biological Chronometry. Springer, 1973.