Cita APA (7a ed.)

Melsen, A. G. M. v. (1953). The philosophy of nature. Duquesne University.

Cita Chicago Style (17a ed.)

Melsen, Andreas Gerardus Maria van. The Philosophy of Nature. Pittsburgh: Duquesne University, 1953.

Cita MLA (9a ed.)

Melsen, Andreas Gerardus Maria van. The Philosophy of Nature. Duquesne University, 1953.