Pan American Union & ProQuest (Firm). (1919). Bulletin of the Pan American Union, vol. XLIX July-December 1919. [publisher not identified].
Chicago Style (17th ed.) CitationPan American Union and ProQuest (Firm). Bulletin of the Pan American Union, Vol. XLIX July-December 1919. Washington: [publisher not identified], 1919.
MLA (9th ed.) CitationPan American Union and ProQuest (Firm). Bulletin of the Pan American Union, Vol. XLIX July-December 1919. [publisher not identified], 1919.
Warning: These citations may not always be 100% accurate.