Aerobic performance by children in grades 4 to 8: a repeated-measures study.

MLA

Mason CA, et al. “Aerobic Performance by Children in Grades 4 to 8: A Repeated-Measures Study.” Perceptual & Motor Skills, vol. 107, no. 3, Dec. 2008, pp. 775–90. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=asx&AN=105640737&authtype=sso&custid=ns315887.

APA

Mason CA, McCormick R, Butterfield Sa, & Lehnhard RA. (2008). Aerobic performance by children in grades 4 to 8: a repeated-measures study. Perceptual & Motor Skills, 107(3), 775–790.

Chicago

Mason CA, McCormick R, Butterfield Sa, and Lehnhard RA. 2008. “Aerobic Performance by Children in Grades 4 to 8: A Repeated-Measures Study.” Perceptual & Motor Skills 107 (3): 775–90. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=asx&AN=105640737&authtype=sso&custid=ns315887.