Cita APA (7th ed.)

Hein, M. (1977). Foundations of college chemistry (4th ed.). Brooks/Cole.

Cita Chicago (17th ed.)

Hein, Morris. Foundations of College Chemistry. 4th ed. Monterey: Brooks/Cole, 1977.

Cita MLA (9th ed.)

Hein, Morris. Foundations of College Chemistry. 4th ed. Brooks/Cole, 1977.