Van Loon, Gerard W. Van Loon, Hendrik W.
MLA
Carson, Rachel, 1907-1964. Van Loon, Gerard W. Van Loon, Hendrik W.. Box 3, folder 57. 1937-62. https://collections.library.yale.edu/catalog/16613771.
APA, 6th edition
Carson, Rachel, 1907-1964. (["Box 3, folder 57"])(1937-62)[Van Loon, Gerard W. Van Loon, Hendrik W.]. https://collections.library.yale.edu/catalog/16613771.