APA (7th ed.) Citation

Commerce Clearing House & United States. (1967). Complete guide to Medicare; law, regulations, explanation. [publisher not identified].

Chicago Style (17th ed.) Citation

Commerce Clearing House and United States. Complete Guide to Medicare; Law, Regulations, Explanation. [New York]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Commerce Clearing House and United States. Complete Guide to Medicare; Law, Regulations, Explanation. [publisher not identified], 1967.