APA Citation

Saaty, T. L. ;. K. The Four-Color Problem. McGraw-Hill, Inc., 1977.

Chicago Style Citation

Saaty, Thomas L. ; Kainen. The Four-Color Problem. McGraw-Hill, Inc., 1977.

MLA Citation

Saaty, Thomas L. ; Kainen. The Four-Color Problem. McGraw-Hill, Inc., 1977.

Warning: These citations may not always be 100% accurate.