MLA

Grant of a Crest to Robert Revell of Shorlonglegge. 1546. https://collections.library.yale.edu/catalog/16371289.

APA, 6th edition

Grant of a crest to Robert Revell of Shorlonglegge. (1546). [Early works to 1800, Coats of arms England 16th century, Manuscripts, Renaissance England 16th century, Seals (artifacts) England 16th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/16371289.