APA (7th ed.) Citation

(1987). 1987 machine and tool directory (34th ed.). Hitchcock.

Chicago Style (17th ed.) Citation

1987 Machine and Tool Directory. 34th ed. Wheaton, Ill.: Hitchcock, 1987.

MLA (9th ed.) Citation

1987 Machine and Tool Directory. 34th ed. Hitchcock, 1987.

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