Cita APA (7th ed.)

Helmstadter, R. (1997). Freedom and religion in the nineteenth century. Stanford University Press.

Cita Chicago (17th ed.)

Helmstadter, Richard. Freedom and Religion in the Nineteenth Century. Palo Alto, Estados Unidos: Stanford University Press, 1997.

Cita MLA (9th ed.)

Helmstadter, Richard. Freedom and Religion in the Nineteenth Century. Stanford University Press, 1997.