Wirtz, W, Wilke, K & Zimmermann, F. (1992). Velocity, distance per stroke and stroke frequency of highly skilled swimmers in 50m freestyle sprint in a 50 and 25m pool. In D. MacLaren, T. Reilly & A. Lees (Hrsg.), Biomechanics and Medicine in Swimming. Swimming Science VI (, S. 131-134). London: E & FN Spon.
APA (7th ed.) CitationWirtz, W., Wilke, K., & Zimmermann, F. (1992). Velocity, distance per stroke and stroke frequency of highly skilled swimmers in 50m freestyle sprint in a 50 and 25m pool. Biomechanics and Medicine in Swimming. Swimming Science VI, 131-134.
Chicago Style (17th ed.) CitationWirtz, W., K. Wilke, and F. Zimmermann. "Velocity, Distance Per Stroke and Stroke Frequency of Highly Skilled Swimmers in 50m Freestyle Sprint in a 50 and 25m Pool." Biomechanics and Medicine in Swimming. Swimming Science VI 1992: 131-134.
MLA (9th ed.) CitationWirtz, W., et al. "Velocity, Distance Per Stroke and Stroke Frequency of Highly Skilled Swimmers in 50m Freestyle Sprint in a 50 and 25m Pool." Biomechanics and Medicine in Swimming. Swimming Science VI, 1992, pp. 131-134.