Cita APA (7th ed.)
Adler, M. J. Six Great Ideas: Truth, Goodness, Beauty, Liberty, Equality, Justice. Collier.
Cita Chicago (17th ed.)
Adler, Mortimer J. Six Great Ideas: Truth, Goodness, Beauty, Liberty, Equality, Justice. Nueva York, EUA: Collier.
Cita MLA (9th ed.)
Adler, Mortimer J. Six Great Ideas: Truth, Goodness, Beauty, Liberty, Equality, Justice. Collier.
Atenció: Aquestes cites poden no estar 100% correctes.