Cita APA (7th ed.)

Gebelein, C. G. (1997). Chemistry and our world. WCB.

Cita Chicago (17th ed.)

Gebelein, Charles G. Chemistry and Our World. Bogota: WCB, 1997.

Cita MLA (9th ed.)

Gebelein, Charles G. Chemistry and Our World. WCB, 1997.