APA (7th ed.) Citation

Heafford, P. E. [. o. c. (1970). Discovering physics. Philosophical Library.

Chicago Style (17th ed.) Citation

Heafford, Philip Ernest. [from old catalog]. Discovering Physics. New York: Philosophical Library, 1970.

MLA (9th ed.) Citation

Heafford, Philip Ernest. [from old catalog]. Discovering Physics. Philosophical Library, 1970.