APA (7th ed.) Citation

American Telephone and Telegraph Company & American Telephone and Telegraph Company. (1977). Engineering economy: A manager's guide to economic decision making (3d ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

American Telephone and Telegraph Company and American Telephone and Telegraph Company. Engineering Economy: A Manager's Guide to Economic Decision Making. 3d ed. New York: McGraw-Hill, 1977.

MLA (8th ed.) Citation

American Telephone and Telegraph Company and American Telephone and Telegraph Company. Engineering Economy: A Manager's Guide to Economic Decision Making. 3d ed. McGraw-Hill, 1977.