MLA

Austin, Stephen F. (Stephen Fuller), 1793-1836. [Printed form of permit authorizing individuals to settle in Austin's Colony] ... General regulations relative to the colony.. 1821]. https://collections.library.yale.edu/catalog/15239157.

APA, 6th edition

Austin, Stephen F. (Stephen Fuller), 1793-1836. (1821])[[Printed form of permit authorizing individuals to settle in Austin's Colony] ... General regulations relative to the colony.]. https://collections.library.yale.edu/catalog/15239157.