Cita APA (7a ed.)
Silverberg, R. Mound builders of ancient America: The archaeology of a myth.
Cita Chicago Style (17a ed.)
Silverberg, Robert. Mound Builders of Ancient America: The Archaeology of a Myth.
Cita MLA (9a ed.)
Silverberg, Robert. Mound Builders of Ancient America: The Archaeology of a Myth.
警告：这些引文格式不一定是100％准确.