Cita APA (7th ed.)
Ellis, R., & Gulick, D. (1988). Calculus with analytic geometry (Alternate ed.). Harcourt Brace Jovanovich.
Cita Chicago (17th ed.)
Ellis, Robert, i Denny Gulick. Calculus with Analytic Geometry. Alternate ed. San Diego: Harcourt Brace Jovanovich, 1988.
Cita MLA (9th ed.)
Ellis, Robert, i Denny Gulick. Calculus with Analytic Geometry. Alternate ed. Harcourt Brace Jovanovich, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.