APA (7th ed.) Citation

Thompson Products, inc. Valve Division. (1957). A symposium on internal combustion engine valves: Reprints of technical papers. [Electric Print. Co.].

Chicago Style (17th ed.) Citation

Thompson Products, inc. Valve Division. A Symposium on Internal Combustion Engine Valves: Reprints of Technical Papers. [Cleveland]: [Electric Print. Co.], 1957.

MLA (9th ed.) Citation

Thompson Products, inc. Valve Division. A Symposium on Internal Combustion Engine Valves: Reprints of Technical Papers. [Electric Print. Co.], 1957.