No copyright notice appears in the book. To confirm that none was filed, both booksJanuary-June 1962, July-December 1962 and periodicalsJanuary-December 1962 were searched with no result for Banyan or Brigham Young University that indicates subject.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
Uploaded a work by unknown from [https://archive.org/details/banyan1962brig/page/91/mode/1up ''The Banyan'', (1962) Provo, Utah: Brigham Young University Press, 91.] with UploadWizard