APA (7th ed.) Citation

United States. (1967). New immigration law effective July 1, 1968: The selective system under numerical limitations. Immigration publications.

Chicago Style (17th ed.) Citation

United States. New Immigration Law Effective July 1, 1968: The Selective System Under Numerical Limitations. New York: Immigration publications, 1967.

MLA (9th ed.) Citation

United States. New Immigration Law Effective July 1, 1968: The Selective System Under Numerical Limitations. Immigration publications, 1967.

Warning: These citations may not always be 100% accurate.