Cita APA (7a ed.)
Bushnell, G. (1968). The first Americans: The pre-columbian civilizations. Ediciones Lara.
Cita Chicago Style (17a ed.)
Bushnell, G.H.S. The First Americans: The Pre-columbian Civilizations. México, D.F.: Ediciones Lara, 1968.
Cita MLA (9a ed.)
Bushnell, G.H.S. The First Americans: The Pre-columbian Civilizations. Ediciones Lara, 1968.
警告：這些引文格式不一定是100％准確.