Cita APA (7th ed.)
Willey, G. R. (1966). An introduction to American archaeology. Prentice-Hall.
Cita Chicago (17th ed.)
Willey, Gordon R. An Introduction to American Archaeology. Nueva Jersey: Prentice-Hall, 1966.
Cita MLA (9th ed.)
Willey, Gordon R. An Introduction to American Archaeology. Prentice-Hall, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.