Perkins, C. E., Perkins, E. F., & Cunningham, E. P. (1949). Family letters, 1861-1869 [of] Charles Elliott Perkins and Edith Forbes Perkins. Privately printed.
Chicago Style (17th ed.) CitationPerkins, C. E., Edith Forbes Perkins, and Edith Perkins Cunningham. Family Letters, 1861-1869 [of] Charles Elliott Perkins and Edith Forbes Perkins. Boston, Mass.: Privately printed, 1949.
MLA (9th ed.) CitationPerkins, C. E., et al. Family Letters, 1861-1869 [of] Charles Elliott Perkins and Edith Forbes Perkins. Privately printed, 1949.
Warning: These citations may not always be 100% accurate.