Παραπομπή σε μορφή APA (7η εκδ.)

Hasskarl, G. C. H. (1914). Modern problems of the home, school, and church: Solved by Christian pedagogy and sociology (2d ed. enl.). On sale at General Council Pub. House.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hasskarl, Gottlieb Christopher Henry. Modern Problems of the Home, School, and Church: Solved by Christian Pedagogy and Sociology. 2d ed. enl. Philadelphia, Pa.: On sale at General Council Pub. House, 1914.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hasskarl, Gottlieb Christopher Henry. Modern Problems of the Home, School, and Church: Solved by Christian Pedagogy and Sociology. 2d ed. enl. On sale at General Council Pub. House, 1914.