APA (7th ed.) Citation

Alger, G. R., & Simons, D. B. (1969). Fall velocity of irregular shaped particles. Proceedings of the American Society of Civil Engineers, 95, 561.

Chicago Style (17th ed.) Citation

Alger, G. R., and D. B. Simons. "Fall Velocity of Irregular Shaped Particles." Proceedings of the American Society of Civil Engineers 95 (1969): 561.

MLA (9th ed.) Citation

Alger, G. R., and D. B. Simons. "Fall Velocity of Irregular Shaped Particles." Proceedings of the American Society of Civil Engineers, vol. 95, 1969, p. 561.