APA (7th ed.) Citation

(1939). Dictionary of occupational titles, part 3, Conversion tables. [s.n.].

Chicago Style (17th ed.) Citation

Dictionary of Occupational Titles, Part 3, Conversion Tables. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

Dictionary of Occupational Titles, Part 3, Conversion Tables. [s.n.], 1939.

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