Cita APA (7th ed.)

(1927). Extracurricular activities, by Harry C. McKown ..

Cita Chicago (17th ed.)

Extracurricular Activities, by Harry C. McKown .. 1927.

Cita MLA (9th ed.)

Extracurricular Activities, by Harry C. McKown .. 1927.

Atenció: Aquestes cites poden no estar 100% correctes.