Cita APA (7a ed.)
Ruppert, K. (1952). Chichen Itza: Architectural Notes and Plans. Carnegie Institution.
Cita estilo Chicago (17a ed.)
Ruppert, Karl. Chichen Itza: Architectural Notes and Plans. Washington, EUA: Carnegie Institution, 1952.
Cita MLA (9a ed.)
Ruppert, Karl. Chichen Itza: Architectural Notes and Plans. Carnegie Institution, 1952.
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