Cita APA (7a ed.)
Lee, T. A., Hayden, B., & Walker, P. L. (1988). San Pablo cave and El Cayo on the Usumacinta River, Chiapas, Mexico. New World Archaeological Foundation.
Cita Chicago Style (17a ed.)
Lee, Thomas A., Brian Hayden, y Phillip L. Walker. San Pablo Cave and El Cayo on the Usumacinta River, Chiapas, Mexico. Provo, Utah: New World Archaeological Foundation, 1988.
Cita MLA (9a ed.)
Lee, Thomas A., et al. San Pablo Cave and El Cayo on the Usumacinta River, Chiapas, Mexico. New World Archaeological Foundation, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.