APA (7th ed.) Citation

Block, B. (1965). Do-it-yourself Cavendish balance. American Journal of Physics, 33, 963.

Chicago Style (17th ed.) Citation

Block, B. "Do-it-yourself Cavendish Balance." American Journal of Physics 33 (1965): 963.

MLA (9th ed.) Citation

Block, B. "Do-it-yourself Cavendish Balance." American Journal of Physics, vol. 33, 1965, p. 963.

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