Gaya APA

Steam ecology and self-purification : an introduction / Frank R. Spellman, Joanne E. Drinan. (2001). : Lancaster, Technomic Publisher.

Gaya MLA

Steam ecology and self-purification : an introduction / Frank R. Spellman, Joanne E. Drinan. 2nd ed.. : Lancaster, Technomic Publisher, 2001. Text.