Cita APA (7th ed.)
Smith, D. A. (1976). Interface: Calculus and the Computer. Houghton Mifflin.
Cita Chicago (17th ed.)
Smith, David A. Interface: Calculus and the Computer. Boston, EUA: Houghton Mifflin, 1976.
Cita MLA (9th ed.)
Smith, David A. Interface: Calculus and the Computer. Houghton Mifflin, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.