Cite

Powell's Radial Key Map of Sinai & Palestine.

MLA

Association, Evangelical Press. Powell's Radial Key Map of Sinai & Palestine. Evangelical Press Association, 1872. https://collections.library.yale.edu/catalog/15506370.

APA, 6th edition

Association, E. P. (1872). Powell's Radial Key Map of Sinai & Palestine. [Maps]. Evangelical Press Association, https://collections.library.yale.edu/catalog/15506370.