APA Style

Maddox, R. N.. (1977). Gas and liquid sweetening (2nd Edition). Oklahoma: John M. Campbell.

Chicago Style

Maddox, R. N.. Gas and liquid sweetening. 2nd Edition Oklahoma: John M. Campbell, 1977. Text.

MLA Style

Maddox, R. N.. Gas and liquid sweetening. 2nd Edition Oklahoma: John M. Campbell, 1977. Text.

Turabian Style

Maddox, R. N.. Gas and liquid sweetening. 2nd Edition Oklahoma: John M. Campbell, 1977. Print.