Pan Am schedules, effective May 1, 1991

Chicago citation style
Pan American World Airways, Inc. Pan Am schedules, effective May 1, 1991. 1991-05-01. Retrieved from the Digital Public Library of America, http://cdm17191.contentdm.oclc.org/cdm/ref/collection/asm0341/id/36647. (Accessed February 24, 2021.)
APA citation style
Pan American World Airways, Inc, (1991-05-01) Pan Am schedules, effective May 1, 1991. Retrieved from the Digital Public Library of America, http://cdm17191.contentdm.oclc.org/cdm/ref/collection/asm0341/id/36647
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/36647>.
Note: These citations are programmatically generated and may be incomplete.