APA (7th ed.) Citation

Harrington, D. (1932). Bonuses to encourage safe work and for work safely done. [publisher not identified].

Chicago Style (17th ed.) Citation

Harrington, D. Bonuses to Encourage Safe Work and for Work Safely Done. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Harrington, D. Bonuses to Encourage Safe Work and for Work Safely Done. [publisher not identified], 1932.