APA Citation

Society of the Army of the Potomac. Membership Certificate, n.d., to Brevet Major Gen. Andrew A. Humphreys. Major & Knapp Lith. Co., NY.

Chicago Style Citation

Society of the Army of the Potomac. Membership Certificate, N.d., to Brevet Major Gen. Andrew A. Humphreys. Major & Knapp Lith. Co., NY.

MLA Citation

Society of the Army of the Potomac. Membership Certificate, N.d., to Brevet Major Gen. Andrew A. Humphreys. Major & Knapp Lith. Co., NY.

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