Cita APA (7a ed.)
Arnold, F. (1910). ATTENTION AND INTEREST: A STUDY IN PSYCHOLOGY AND EDUCATION.
Cita estilo Chicago (17a ed.)
Arnold, Félix. ATTENTION AND INTEREST: A STUDY IN PSYCHOLOGY AND EDUCATION. 1910.
Cita MLA (9a ed.)
Arnold, Félix. ATTENTION AND INTEREST: A STUDY IN PSYCHOLOGY AND EDUCATION. 1910.
Precaución: Estas citas no son 100% exactas.