Toussaint, H. M., Groot, G. de, Savelberg, H. H. C. M., Vervoorn, K, Hollander, A. P. & van Ingen Schenau, G. J. (1988). Active drag related to velocity in male and female swimmers. Journal of Biomechanics, 21 (5), 435-438.
APA (7th ed.) CitationToussaint, H. M., Groot, G. d., Savelberg, H. H. C. M., Vervoorn, K., Hollander, A. P., & van Ingen Schenau, G. J. (1988). Active drag related to velocity in male and female swimmers. Journal of Biomechanics, 21(5), 435-438.
Chicago Style (17th ed.) CitationToussaint, H. M., G. de Groot, H. H. C. M. Savelberg, K. Vervoorn, A. P. Hollander, and G. J. van Ingen Schenau. "Active Drag Related to Velocity in Male and Female Swimmers." Journal of Biomechanics 21, no. 5 (1988): 435-438.
MLA (9th ed.) CitationToussaint, H. M., et al. "Active Drag Related to Velocity in Male and Female Swimmers." Journal of Biomechanics, vol. 21, no. 5, 1988, pp. 435-438.