McWhirter, N., & McWhirter, R. (1976). The Guinness book of Olympic records: Complete roll of Olympic medal winners (1896-1972, including 1906) for the 28 sports (7 winter and 21 summer) to be contested in the 1976 celebrations and other useful information ([Revised ed.].). Penguin.
Chicago Style (17th ed.) CitationMcWhirter, Norris, and Ross McWhirter. The Guinness Book of Olympic Records: Complete Roll of Olympic Medal Winners (1896-1972, Including 1906) for the 28 Sports (7 Winter and 21 Summer) to Be Contested in the 1976 Celebrations and Other Useful Information. [Revised ed.]. Harmondsworth: Penguin, 1976.
MLA (9th ed.) CitationMcWhirter, Norris, and Ross McWhirter. The Guinness Book of Olympic Records: Complete Roll of Olympic Medal Winners (1896-1972, Including 1906) for the 28 Sports (7 Winter and 21 Summer) to Be Contested in the 1976 Celebrations and Other Useful Information. [Revised ed.]. Penguin, 1976.