Παραπομπή σε μορφή APA (7η εκδ.)

Gissis, S. B. Herbert Spencer's two editions of the Principles of Psychology: 1855 and 1870/72 : biological heredity and cultural inheritance / Snait B. Gissis. Conference A Cultural History of Heredity III : 19th and early 20th centuries.(2005).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gissis, Snait B. "Herbert Spencer's Two Editions of the Principles of Psychology: 1855 and 1870/72 : Biological Heredity and Cultural Inheritance / Snait B. Gissis." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005) .

Παραπομπή σε μορφή MLA (8th εκδ.)

Gissis, Snait B. "Herbert Spencer's Two Editions of the Principles of Psychology: 1855 and 1870/72 : Biological Heredity and Cultural Inheritance / Snait B. Gissis." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005), .