APA (7th ed.) Citation

Herschel, J. F. W. (1966). A preliminary discourse on the study of natural philosophy. Johnson Reprint.

Chicago Style (17th ed.) Citation

Herschel, John Frederick William. A Preliminary Discourse on the Study of Natural Philosophy. New York: Johnson Reprint, 1966.

MLA (9th ed.) Citation

Herschel, John Frederick William. A Preliminary Discourse on the Study of Natural Philosophy. Johnson Reprint, 1966.

Warning: These citations may not always be 100% accurate.