Pan American World Airways system time table, December 1-31, 1957

Chicago citation style
Pan American World Airways, Inc. Pan American World Airways system time table, December 1-31, 1957. 1957-12-01. Retrieved from the Digital Public Library of America, http://cdm17191.contentdm.oclc.org/cdm/ref/collection/asm0341/id/24722. (Accessed February 24, 2021.)
APA citation style
Pan American World Airways, Inc, (1957-12-01) Pan American World Airways system time table, December 1-31, 1957. Retrieved from the Digital Public Library of America, http://cdm17191.contentdm.oclc.org/cdm/ref/collection/asm0341/id/24722
MLA citation style
Pan American World Airways, Inc. Retrieved from the Digital Public Library of America <http://cdm17191.contentdm.oclc.org/cdm/ref/collection/asm0341/id/24722>.
Note: These citations are programmatically generated and may be incomplete.