APA (7 ম সংস্করণ) উদ্ধৃতি

Curtis, K. H. (1957). Correspondence, July 30, 1957 through August 21, 1957. Saint Louis University Libraries Digitization Center.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Curtis, Kennth; Heuduck. Correspondence, July 30, 1957 Through August 21, 1957. Saint Louis University Libraries Digitization Center, 1957.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Curtis, Kennth; Heuduck. Correspondence, July 30, 1957 Through August 21, 1957. Saint Louis University Libraries Digitization Center, 1957.