Cita APA (7th ed.)
Lakein, A. (1973). How to get control of your time and your life. Signet Book.
Cita Chicago (17th ed.)
Lakein, Alan. How to Get Control of Your Time and Your Life. New York: Signet Book, 1973.
Cita MLA (9th ed.)
Lakein, Alan. How to Get Control of Your Time and Your Life. Signet Book, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.