MLA

Mann, Thomas, 1875-1955. 77. [Rede ueber Lessing] LESSING Autograph manuscript with underscoring; 16 leaves numbered 1-13 (the last 3 leaves are unnumbered) The inscription "Vorarbeiten zum Lessing-Essay" appears on the back of the last leaf in TM's hand. Box 11, folder 182. 1926-45. https://collections.library.yale.edu/catalog/17268849.

APA, 6th edition

Mann, Thomas, 1875-1955. (["Box 11, folder 182"])(1926-45)[77. [Rede ueber Lessing] LESSING Autograph manuscript with underscoring; 16 leaves numbered 1-13 (the last 3 leaves are unnumbered) The inscription "Vorarbeiten zum Lessing-Essay" appears on the back of the last leaf in TM's hand]. https://collections.library.yale.edu/catalog/17268849.