Cita APA (7a ed.)

Schlegel, R. (1961). Time and the physical world. Michigan State University.

Cita Chicago Style (17a ed.)

Schlegel, Richard. Time and the Physical World. Lansing: Michigan State University, 1961.

Cita MLA (9a ed.)

Schlegel, Richard. Time and the Physical World. Michigan State University, 1961.