Richard J Donnelly, W. G. H. (1958). Active games and contests. The Ronald.
Chicago Style (17th ed.) CitationRichard J Donnelly, William G Helms. Active Games and Contests. The Ronald, 1958.
MLA (8th ed.) CitationRichard J Donnelly, William G Helms. Active Games and Contests. The Ronald, 1958.
Warning: These citations may not always be 100% accurate.