Cita APA

Umland, J. B., & Bellama, J. M. (1999). General chemistry (3rd ed.). Pacific Grove, CA [etc.]: Brooks/Cole Publ. Co.

Citación estilo Chicago

Umland, Jean B., y Jon M. Bellama. General Chemistry. 3rd ed. Pacific Grove, CA [etc.]: Brooks/Cole Publ. Co, 1999.

Cita MLA

Umland, Jean B., y Jon M. Bellama. General Chemistry. 3rd ed. Pacific Grove, CA [etc.]: Brooks/Cole Publ. Co, 1999.