APA Style

Braunwald, E., Marcus, M, L. (1990). Cardiac imaging : a companion to Braunwald's Heart disease . Philadelphia, PA: Elsevier/Saunders.

MLA Style

Braunwald, Eugene., Marcus, Melvin, L. "Cardiac imaging : a companion to Braunwald's Heart disease". Philadelphia, PA: Elsevier/Saunders, 1990. Text.