Cita APA (7th ed.)
Boice, R. (1996). Procrastination and blocking: A novel, practical approach. Praeger.
Cita Chicago (17th ed.)
Boice, Robert. Procrastination and Blocking: A Novel, Practical Approach. Westport, Conn.: Praeger, 1996.
Cita MLA (9th ed.)
Boice, Robert. Procrastination and Blocking: A Novel, Practical Approach. Praeger, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.