Cita APA (7a ed.)

Matthews, T. S. (1990). Don't say yes to anything! [s.n.].

Cita Chicago Style (17a ed.)

Matthews, T. S. Don't Say Yes to Anything! [s.n.]: [s.n.], 1990.

Cita MLA (9a ed.)

Matthews, T. S. Don't Say Yes to Anything! [s.n.], 1990.

Precaución: Estas citas no son 100% exactas.