Cita APA (7a ed.)

Costa de Beauregard, O. (1987). Time, the psyhical magnitude. D. Reidel Publishing Company.

Cita Chicago Style (17a ed.)

Costa de Beauregard, Olivier. Time, the Psyhical Magnitude. Dordrecht [etc.]: D. Reidel Publishing Company, 1987.

Cita MLA (9a ed.)

Costa de Beauregard, Olivier. Time, the Psyhical Magnitude. D. Reidel Publishing Company, 1987.