APA (7th ed.) Citation

Pan American Union & Sherwell, G. A. (1921). Centenary of independence of Mexico (Sept. 27, 1821-Sept. 27, 1921). [publisher not identified].

Chicago Style (17th ed.) Citation

Pan American Union and Guillermo A. Sherwell. Centenary of Independence of Mexico (Sept. 27, 1821-Sept. 27, 1921). Washington: [publisher not identified], 1921.

MLA (9th ed.) Citation

Pan American Union and Guillermo A. Sherwell. Centenary of Independence of Mexico (Sept. 27, 1821-Sept. 27, 1921). [publisher not identified], 1921.