Cita APA (7a ed.)
Katz, F. (1972). The ancient american civilisations. Weidenfeld and Nicholson.
Cita Chicago Style (17a ed.)
Katz, Friedrich. The Ancient American Civilisations. Londres: Weidenfeld and Nicholson, 1972.
Cita MLA (9a ed.)
Katz, Friedrich. The Ancient American Civilisations. Weidenfeld and Nicholson, 1972.
警告：這些引文格式不一定是100％准確.