APA Edition Citation

Kirk, O. (1980). Encyclopaedia of chemical technology V.12 Gravity concetration to hydrogen energy (3.). John Wiley and Sons.

Chicago Edition Citation

Kirk, Othmer. Encyclopaedia of Chemical Technology V.12 Gravity Concetration to Hydrogen Energy. 3. New York: John Wiley and Sons, 1980.

MLA Edition Citation

Kirk, Othmer. Encyclopaedia of Chemical Technology V.12 Gravity Concetration to Hydrogen Energy. 3. John Wiley and Sons, 1980.