APA

Crippen Raymond C, . (1983). GC/LC, Instruments, Derivatives in Identifying Pollutants and Unknowns. New York: Pergamon Press.

Chicago

Crippen Raymond C, . 1983. GC/LC, Instruments, Derivatives in Identifying Pollutants and Unknowns. New York: Pergamon Press.

Harvard

Crippen Raymond C, . (1983). GC/LC, Instruments, Derivatives in Identifying Pollutants and Unknowns. New York: Pergamon Press.

MLA

Crippen Raymond C, . GC/LC, Instruments, Derivatives in Identifying Pollutants and Unknowns. New York: Pergamon Press. 1983.