Cita APA (7a ed.)
Levinson, W. The New 5-Day Plan to Stop Smoking. Dell.
Cita estilo Chicago (17a ed.)
Levinson, William. The New 5-Day Plan to Stop Smoking. Nueva York, EUA: Dell.
Cita MLA (9a ed.)
Levinson, William. The New 5-Day Plan to Stop Smoking. Dell.
Precaución: Estas citas no son 100% exactas.