Gallup, D. C. 1. (1987). Gallup genealogy: Gallop, Galloup, Galloupe, Gallupe, Gollop (2nd ed., rev. and expanded.). Provo, Utah: Brigham Young University, Family History and Genealogy Services.
Chicago Style CitationGallup, Darwin C. 1914-. Gallup Genealogy: Gallop, Galloup, Galloupe, Gallupe, Gollop. 2nd ed., rev. and expanded. Provo, Utah: Brigham Young University, Family History and Genealogy Services, 1987.
MLA CitationGallup, Darwin C. 1914-. Gallup Genealogy: Gallop, Galloup, Galloupe, Gallupe, Gollop. 2nd ed., rev. and expanded. Provo, Utah: Brigham Young University, Family History and Genealogy Services, 1987.