MLA

Silko, Leslie Marmon, 1948-. MSS: "Coronado and the Gran Chichimeca" by Leslie Marmon Silko and Harry Brown: bound screenplay of this never completed film project with Marlon Brando 127pp. Box 22. 1977. https://collections.library.yale.edu/catalog/17173420.

APA, 6th edition

Silko, Leslie Marmon, 1948-. (["Box 22"])(1977)[MSS: "Coronado and the Gran Chichimeca" by Leslie Marmon Silko and Harry Brown: bound screenplay of this never completed film project with Marlon Brando 127pp]. https://collections.library.yale.edu/catalog/17173420.