APA (7th ed.) Citation

Weidner, R., & Sells, R. (1968). Elementary modern physics (2d ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Weidner, Richard, and Robert Sells. Elementary Modern Physics. 2d ed. Boston: Allyn and Bacon, 1968.

MLA (9th ed.) Citation

Weidner, Richard, and Robert Sells. Elementary Modern Physics. 2d ed. Allyn and Bacon, 1968.