Hoffman, D. G., & Johnson, P. D. Extending Hall's Theorem into List Colorings: A Partial History. Wiley.
Chicago Style (17th ed.) CitationHoffman, D. G., and P. D. Johnson. Extending Hall's Theorem into List Colorings: A Partial History. Wiley.
MLA (9th ed.) CitationHoffman, D. G., and P. D. Johnson. Extending Hall's Theorem into List Colorings: A Partial History. Wiley.
Warning: These citations may not always be 100% accurate.