Cita APA (7a ed.)
Strackbein, O. R. (1969). Anatomy of civilization.
Cita estilo Chicago (17a ed.)
Strackbein, Oscar Robert. Anatomy of Civilization. 1969.
Cita MLA (9a ed.)
Strackbein, Oscar Robert. Anatomy of Civilization. 1969.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.