APA (7th ed.) Citation

DOUGLASS. (1993). Manage your time your work yourself (Updated ed.). Amacom.

Chicago Style (17th ed.) Citation

DOUGLASS. Manage Your Time Your Work Yourself. Updated ed. New York: Amacom, 1993.

MLA (8th ed.) Citation

DOUGLASS. Manage Your Time Your Work Yourself. Updated ed. Amacom, 1993.