Roybal, L. (1994). Billy. Houghton Mifflin.
Chicago Style (17th ed.) CitationRoybal, Laura. Billy. Boston: Houghton Mifflin, 1994.
MLA (9th ed.) CitationRoybal, Laura. Billy. Houghton Mifflin, 1994.
Warning: These citations may not always be 100% accurate.