APA
Keenan C. W., . (1980). General college chemistry 6th ed. [Place of publication not identified]: Harper & Row.
Chicago
Keenan Charles W, . 1980. General college chemistry 6th ed. [Place of publication not identified]: Harper & Row.
Harvard
Keenan C. W., . (1980). General college chemistry 6th ed. [Place of publication not identified]: Harper & Row.
MLA
Keenan Charles W, . General college chemistry 6th ed. [Place of publication not identified]: Harper & Row. 1980.