Cita APA (7th ed.)
Reichmann, W. J. (1967). The spell of mathematics (1a. ed.). Pelican books.
Cita Chicago (17th ed.)
Reichmann, W. J. The Spell of Mathematics. 1a. ed. Australia: Pelican books, 1967.
Cita MLA (9th ed.)
Reichmann, W. J. The Spell of Mathematics. 1a. ed. Pelican books, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.