Cita APA (7th ed.)
Perkins, D. Calculus and Its Origins. Mathematical Association of America.
Cita Chicago (17th ed.)
Perkins, David. Calculus and Its Origins. Washington, EUA: Mathematical Association of America.
Cita MLA (9th ed.)
Perkins, David. Calculus and Its Origins. Mathematical Association of America.
Atenció: Aquestes cites poden no estar 100% correctes.