Cita APA (7th ed.)

Herschel, J. F. W., & Fine, A. (1987). A preliminary discourse on the study of natural philosophy. University of Chicago Press.

Cita Chicago (17th ed.)

Herschel, John F. W., i Arthur Fine. A Preliminary Discourse on the Study of Natural Philosophy. Chicago: University of Chicago Press, 1987.

Cita MLA (9th ed.)

Herschel, John F. W., i Arthur Fine. A Preliminary Discourse on the Study of Natural Philosophy. University of Chicago Press, 1987.