Cita APA

Cheronis, N. D. The study of the physical world. [Boston],1958: Houghton Mifflin.

Chicago Style Citation

Cheronis, Nicholas D. The Study of the Physical World. [Boston],1958: Houghton Mifflin.

Cita MLA

Cheronis, Nicholas D. The Study of the Physical World. [Boston],1958: Houghton Mifflin.

Atenció: Aquestes cites poden no estar 100% correctes.