Cita APA (7th ed.)

Shearer, B. F., & Shearer, B. S. (1994). State names, seals, flags, and symbols: A historical guide (Rev. and expanded.). Greenwood Press.

Cita Chicago (17th ed.)

Shearer, Benjamin F., i Barbara Smith Shearer. State Names, Seals, Flags, and Symbols: A Historical Guide. Rev. and expanded. Westport, Conn: Greenwood Press, 1994.

Cita MLA (9th ed.)

Shearer, Benjamin F., i Barbara Smith Shearer. State Names, Seals, Flags, and Symbols: A Historical Guide. Rev. and expanded. Greenwood Press, 1994.