Cita APA

Burger, R. L., & Salazar, L. C. (2004). Machu Picchu: Unveiling the mystery of the Incas. Yale University press.

Chicago Edition Citation

Burger, Richard L., i Lucy C. Salazar. Machu Picchu: Unveiling the Mystery of the Incas. New Haven: Yale University press, 2004.

Cita MLA

Burger, Richard L., i Lucy C. Salazar. Machu Picchu: Unveiling the Mystery of the Incas. Yale University press, 2004.