APA (7th ed.) Citation

Commerce Clearing House. (1979). Medicare explained. Commerce Clearing House.

Chicago Style (17th ed.) Citation

Commerce Clearing House. Medicare Explained. Chicago, Ill.: Commerce Clearing House, 1979.

MLA (9th ed.) Citation

Commerce Clearing House. Medicare Explained. Commerce Clearing House, 1979.

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