Ragatz, L. J., & Ragatz, J. E. (1951). A bibliography of articles, descriptive, historical and scientific, on colonies and other dependent territories: Appearing in American geographical and kindred journals ([Second edition].). Educational Research Bureau.
Chicago Style (17th ed.) CitationRagatz, Lowell J., and Janet Evans Ragatz. A Bibliography of Articles, Descriptive, Historical and Scientific, on Colonies and Other Dependent Territories: Appearing in American Geographical and Kindred Journals. [Second edition]. Washington: Educational Research Bureau, 1951.
MLA (9th ed.) CitationRagatz, Lowell J., and Janet Evans Ragatz. A Bibliography of Articles, Descriptive, Historical and Scientific, on Colonies and Other Dependent Territories: Appearing in American Geographical and Kindred Journals. [Second edition]. Educational Research Bureau, 1951.