APA (7th ed.) Zitazioa
Atkinson, J. (1968). Martin Luther and the birth of Protestantism. Penguin Books.
Chicago Style (17th ed.) Zitazioa
Atkinson, James. Martin Luther and the Birth of Protestantism. Baltimore: Penguin Books, 1968.
MLA (9th ed.) Zitazioa
Atkinson, James. Martin Luther and the Birth of Protestantism. Penguin Books, 1968.
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