Becoming a citizen series;
teacher's guide.

APA Citation

United States. Immigration and Naturalization Service. (1964). Becoming a citizen series: teacher's guide. Washington: U.S. Govt. Print. Off..

MLA Citation

United States. Immigration and Naturalization Service. Becoming a Citizen Series: Teacher's Guide. Washington: U.S. Govt. Print. Off., 1964.

Warning: These citations may not always be complete (especially for serials).