Cita APA (7a ed.)
Gadd, P. (1984). Human and social biology (3rd ed.). McMillan.
Cita Chicago Style (17a ed.)
Gadd, P. Human and Social Biology. 3rd ed. London: McMillan, 1984.
Cita MLA (9a ed.)
Gadd, P. Human and Social Biology. 3rd ed. McMillan, 1984.
Precaución: Estas citas no son 100% exactas.