Cites del registre

Cita APA (7th ed.)
Levitt, E. E. (1967). The psychology of anxiety (ed.). Bobbs-Merrill.
Cita Chicago (17th ed.)
Levitt, Eugene E. The Psychology of Anxiety. ed. Indianapolis: Bobbs-Merrill, 1967.
Cita MLA (9th ed.)
Levitt, Eugene E. The Psychology of Anxiety. ed. Bobbs-Merrill, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.