APA (7th ed.) Citation

Johnson, W. F. (1930). The national flag: A history. Houghton Mifflin Co.

Chicago Style (17th ed.) Citation

Johnson, Willis Fletcher. The National Flag: A History. Boston: Houghton Mifflin Co, 1930.

MLA (9th ed.) Citation

Johnson, Willis Fletcher. The National Flag: A History. Houghton Mifflin Co, 1930.