Cite

Georgia O'Keeffe letters to Betty Pilkington, 1952-1976 (bulk 1955-1958).

MLA

O'Keeffe, Georgia, 1887-1986. Georgia O'Keeffe letters to Betty Pilkington, 1952-1976 (bulk 1955-1958).. Box 1. https://collections.library.yale.edu/catalog/17364925.

APA, 6th edition

O'Keeffe, Georgia, 1887-1986. (["Box 1"])[Georgia O'Keeffe letters to Betty Pilkington, 1952-1976 (bulk 1955-1958).]. https://collections.library.yale.edu/catalog/17364925.