Twain, M. (1907). Christian science. The Floating Press.
Cita Chicago (17th ed.)Twain, Mark. Christian Science. [Auckland, New Zealand]: The Floating Press, 1907.
Cita MLA (9th ed.)Twain, Mark. Christian Science. The Floating Press, 1907.
Atenció: Aquestes cites poden no estar 100% correctes.