Cita APA (7a ed.)

Caldwell, R. G. (1946). The penitentiary movement in Delaware: 1776 to 1829. Historic. Society of Delaware.

Cita Chicago Style (17a ed.)

Caldwell, Robert G. The Penitentiary Movement in Delaware: 1776 to 1829. Wilmington, Del: Historic. Society of Delaware, 1946.

Cita MLA (9a ed.)

Caldwell, Robert G. The Penitentiary Movement in Delaware: 1776 to 1829. Historic. Society of Delaware, 1946.