Cita APA

(1947). Patterson chemical and processing equipment since 1865. [s.l.]: [s.n.].

Citación estilo Chicago

Patterson Chemical and Processing Equipment Since 1865. [s.l.]: [s.n.], 1947.

Cita MLA

Patterson Chemical and Processing Equipment Since 1865. [s.l.]: [s.n.], 1947.

Precaución: Estas citas no son 100% exactas.