APA

McGuff D., Little J. R., . (2009). Body by science : a research based program to get the results you want in 12 minutes a week. New York: McGraw Hill Education.

Chicago

McGuff Doug, Little John R, . 2009. Body by science : a research based program to get the results you want in 12 minutes a week. New York: McGraw Hill Education.

Harvard

McGuff D., Little J. R., . (2009). Body by science : a research based program to get the results you want in 12 minutes a week. New York: McGraw Hill Education.

MLA

McGuff Doug, Little John R, . Body by science : a research based program to get the results you want in 12 minutes a week. New York: McGraw Hill Education. 2009.