Παραπομπή σε μορφή APA (7η εκδ.)

Engels, F. (1988). The origin of the family, private property and the state: In the light of the researches of Lewis H. Morgan. Lawrence & Wishart.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Engels, Friedrich. The Origin of the Family, Private Property and the State: In the Light of the Researches of Lewis H. Morgan. London: Lawrence & Wishart, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

Engels, Friedrich. The Origin of the Family, Private Property and the State: In the Light of the Researches of Lewis H. Morgan. Lawrence & Wishart, 1988.