APA (7th ed.) Citation

(1968). Spark machining. The Machinery Publ. Co..

Chicago Style (17th ed.) Citation

Spark Machining. London: The Machinery Publ. Co., 1968.

MLA (9th ed.) Citation

Spark Machining. The Machinery Publ. Co., 1968.

Warning: These citations may not always be 100% accurate.