Bancroft, Wilder Dwight (1867- ) - 5 autograph letters, signed to Josiah Willard Gibbs. Ithaca, New York.
MLA
Gibbs, J. Willard (Josiah Willard), 1839-1903. Bancroft, Wilder Dwight (1867- ) - 5 autograph letters, signed to Josiah Willard Gibbs. Ithaca, New York.. Box 2, folder 31. 1898 January 13, 1899 March 18 and May 20 and June 4 and July 4. https://collections.library.yale.edu/catalog/16662397.
APA, 6th edition
Gibbs, J. Willard (Josiah Willard), 1839-1903. (["Box 2, folder 31"])(1898 January 13, 1899 March 18 and May 20 and June 4 and July 4)[Bancroft, Wilder Dwight (1867- ) - 5 autograph letters, signed to Josiah Willard Gibbs. Ithaca, New York.]. https://collections.library.yale.edu/catalog/16662397.