APA-Zitierstil (7. Ausg.)

USA Immigration and Naturalization Service. Operations instructions, regulations, and interpretations (Ed. of Dec. 24, 1952, as rev. ; Losebl.Ausg.). U.S. Gov. Print Off.

Chicago-Zitierstil (17. Ausg.)

USA Immigration and Naturalization Service. Operations Instructions, Regulations, and Interpretations. Ed. of Dec. 24, 1952, as rev. ; Losebl.Ausg. Washington, D.C: U.S. Gov. Print Off.

MLA-Zitierstil (9. Ausg.)

USA Immigration and Naturalization Service. Operations Instructions, Regulations, and Interpretations. Ed. of Dec. 24, 1952, as rev. ; Losebl.Ausg. U.S. Gov. Print Off.