APA Style

Brunton, L, L. (2018). Goodman and Gilman's The Pharmacological Basis of Therapeutics (13th). New York: McGraw-Hill.

MLA Style

Brunton, Laurence, L.. "Goodman and Gilman's The Pharmacological Basis of Therapeutics". 13th New York: McGraw-Hill, 2018. TextBook.