Cita APA (7a ed.)

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).

Cita Chicago Style (17a ed.)

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) .

Cita MLA (8a ed.)

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), .