MLA

Bouma, Donald G, Brehm, John J. B, Darley, James M. (James Morrison), Holdstock, A. E, National Geographic Society (U.S.). Cartographic Division. The Philippines / compiled and drawn in the Cartographic Section of the National Geographic Society ; James M. Darley, chief cartographer ; Apphia E. Holdstock & Donald G. Bouma, compilers ; relief by John J. Brehm.. BRBL_00023E. 1945. https://collections.library.yale.edu/catalog/15238589.

APA, 6th edition

Bouma, Donald G, & Brehm, John J. B, & Darley, James M. (James Morrison), & Holdstock, A. E, & National Geographic Society (U.S.). Cartographic Division. (["BRBL_00023E"])(1945)[The Philippines / compiled and drawn in the Cartographic Section of the National Geographic Society ; James M. Darley, chief cartographer ; Apphia E. Holdstock & Donald G. Bouma, compilers ; relief by John J. Brehm.]. https://collections.library.yale.edu/catalog/15238589.