APA
Atkinson Gordon Ed, SYMPOSIUM ON ORIGIN AND CHEMSITRY OF PETROLEUM (1970 : Oklahoma) & Zuckerman Jerry J Ed. (1981). Proceeding of origin and chemistry of petroleum. Oxford: Ergamon Press.
Chicago
Atkinson Gordon Ed, SYMPOSIUM ON ORIGIN AND CHEMSITRY OF PETROLEUM (1970 : Oklahoma) and Zuckerman Jerry J Ed. 1981. Proceeding of origin and chemistry of petroleum. Oxford: Ergamon Press.
Harvard
Atkinson Gordon Ed, SYMPOSIUM ON ORIGIN AND CHEMSITRY OF PETROLEUM (1970 : Oklahoma) and Zuckerman Jerry J Ed. (1981). Proceeding of origin and chemistry of petroleum. Oxford: Ergamon Press.
MLA
Atkinson Gordon Ed, SYMPOSIUM ON ORIGIN AND CHEMSITRY OF PETROLEUM (1970 : Oklahoma) and Zuckerman Jerry J Ed. Proceeding of origin and chemistry of petroleum. Oxford: Ergamon Press. 1981.
