Cita APA (7th ed.)
Hooper, A. (1948). Markers of mathematics (1a. ed.). Vintage book.
Cita Chicago (17th ed.)
Hooper, Alfred. Markers of Mathematics. 1a. ed. New York: Vintage book, 1948.
Cita MLA (9th ed.)
Hooper, Alfred. Markers of Mathematics. 1a. ed. Vintage book, 1948.
Atenció: Aquestes cites poden no estar 100% correctes.