APA

Edward C. H., Penney D. E., . (1982). Calculus and analytic geometry. london: Prentic hall.

Chicago

Edward C H, Penney David E, . 1982. Calculus and analytic geometry. london: Prentic hall.

Harvard

Edward C. H., Penney D. E., . (1982). Calculus and analytic geometry. london: Prentic hall.

MLA

Edward C H, Penney David E, . Calculus and analytic geometry. london: Prentic hall. 1982.