APA (7th ed.) Citation

New England Historic Genealogical Society. (1972). Index of persons, volumes 1-50. Genealogical Pub. Co..

Chicago Style (17th ed.) Citation

New England Historic Genealogical Society. Index of Persons, Volumes 1-50. Baltimore: Genealogical Pub. Co., 1972.

MLA (9th ed.) Citation

New England Historic Genealogical Society. Index of Persons, Volumes 1-50. Genealogical Pub. Co., 1972.

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