Cita APA (7a ed.)

Hartwell, E. (1967). Instructor's supplement for understanding chemistry QD33 .B37. W. A. Benjamin.

Cita Chicago Style (17a ed.)

Hartwell, Edward. Instructor's Supplement for Understanding Chemistry QD33 .B37. New York: W. A. Benjamin, 1967.

Cita MLA (9a ed.)

Hartwell, Edward. Instructor's Supplement for Understanding Chemistry QD33 .B37. W. A. Benjamin, 1967.