APA
Williams T. J., Lauher V. A. & Lauher V. A. (1961). Automatic control of chemical and petroleum processes. Houston, Texas: Gulf Publishing.
Chicago
Williams Theodore J, Lauher Verlin A and Lauher Verlin A. 1961. Automatic control of chemical and petroleum processes. Houston, Texas: Gulf Publishing.
Harvard
Williams T. J., Lauher V. A. and Lauher V. A. (1961). Automatic control of chemical and petroleum processes. Houston, Texas: Gulf Publishing.
MLA
Williams Theodore J, Lauher Verlin A and Lauher Verlin A. Automatic control of chemical and petroleum processes. Houston, Texas: Gulf Publishing. 1961.