Παραπομπή σε μορφή APA (7η εκδ.)

Johnson, G. E. (1916). Education through recreation. McGrath and National Recreation and Park Association.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnson, George Ellsworth. Education Through Recreation. Washington: McGrath and National Recreation and Park Association, 1916.

Παραπομπή σε μορφή MLA (8th εκδ.)

Johnson, George Ellsworth. Education Through Recreation. McGrath and National Recreation and Park Association, 1916.