APA-viite (7. p.)

Bunning, E. (1964). The physiological clock: Endogenous diurnal rhythms and biological chronometry. Springer-Verlag.

Chicago-viite (17. p.)

Bunning, Erwin. The Physiological Clock: Endogenous Diurnal Rhythms and Biological Chronometry. Berlin: Springer-Verlag, 1964.

MLA-viite (9. p.)

Bunning, Erwin. The Physiological Clock: Endogenous Diurnal Rhythms and Biological Chronometry. Springer-Verlag, 1964.