APA (7th ed.) Citation

Lisk, J. W., Jenkins, O., Mamaliga, E., & Tolson, H. (1980). Effects of velocity, surface, and angle of incidence on angle of rebound of tennis balls.

Chicago Style (17th ed.) Citation

Lisk, John Walter, Omer Jenkins, Emil Mamaliga, and Homer Tolson. Effects of Velocity, Surface, and Angle of Incidence on Angle of Rebound of Tennis Balls. 1980.

MLA (9th ed.) Citation

Lisk, John Walter, et al. Effects of Velocity, Surface, and Angle of Incidence on Angle of Rebound of Tennis Balls. 1980.