Cite
The three metabolic energy systems: how you get energy; how you use it
MLA
Karp, Jason R. “The Three Metabolic Energy Systems: How You Get Energy; How You Use It.” IDEA Fitness Journal, vol. 6, no. 2, Feb. 2009, p. 26. 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=edsggo&AN=edsgcl.194924985&authtype=sso&custid=ns315887.
APA
Karp, J. R. (2009, February 1). The three metabolic energy systems: how you get energy; how you use it. IDEA Fitness Journal, 6(2), 26.
Chicago
Karp, Jason R. 2009. “The Three Metabolic Energy Systems: How You Get Energy; How You Use It.” IDEA Fitness Journal, February 1. 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=edsggo&AN=edsgcl.194924985&authtype=sso&custid=ns315887.