APA (7th ed.) Citation

Gifford, G. E. (1976). Physician signers of the Declaration of independence. Science History Publications.

Chicago Style (17th ed.) Citation

Gifford, George Edmund. Physician Signers of the Declaration of Independence. New York: Science History Publications, 1976.

MLA (9th ed.) Citation

Gifford, George Edmund. Physician Signers of the Declaration of Independence. Science History Publications, 1976.