Cita APA (7th ed.)
Atkinson, J. (1968). Martin Luther and the birth of Protestantism. Penguin Books.
Cita Chicago (17th ed.)
Atkinson, James. Martin Luther and the Birth of Protestantism. Baltimore: Penguin Books, 1968.
Cita MLA (9th ed.)
Atkinson, James. Martin Luther and the Birth of Protestantism. Penguin Books, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.