MLA

Catherwood, Frederick, et al. Palace at Palenque. 0AD. https://collections.library.yale.edu/catalog/2000544.

APA, 6th edition

Catherwood, F., Halpin, J., & engraver. (0 C.E.). Palace at Palenque [Engravings, Illustrations]. https://collections.library.yale.edu/catalog/2000544.