Cite

The code of the flag

MLA

National Flag Conference ( (1923 : Washington D.C.). The code of the flag. 1923.. https://collections.library.yale.edu/catalog/2107181.

APA, 6th edition

National Flag Conference ( (1923 : Washington D.C.). (1923.)[The code of the flag]. https://collections.library.yale.edu/catalog/2107181.