Παραπομπή σε μορφή APA (7η εκδ.)

Stangeland, C. E. (1904). Pre-Malthusian doctrines of population: A study in the history of economics theory. A.M. Kelly.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stangeland, Charles Emil. Pre-Malthusian Doctrines of Population: A Study in the History of Economics Theory. New York: A.M. Kelly, 1904.

Παραπομπή σε μορφή MLA (9th εκδ.)

Stangeland, Charles Emil. Pre-Malthusian Doctrines of Population: A Study in the History of Economics Theory. A.M. Kelly, 1904.