Gaya APA

Hall, J, E., Hall, M, E. (2027). Pocket companion to guyton and hall textbook of medical physiology (15th ed). Philadelphia: Elsevier.

Gaya MLA

Hall, John, E.., Hall, Michael, E.. "Pocket companion to guyton and hall textbook of medical physiology". 15th ed Philadelphia: Elsevier, 2027. Text.