APA

Schmidt P., . (1991). 2500 solved problems in college algebra and trigonometry. New York: McGraw - Hill , Inc.

Chicago

Schmidt Philip, . 1991. 2500 solved problems in college algebra and trigonometry. New York: McGraw - Hill , Inc.

Harvard

Schmidt P., . (1991). 2500 solved problems in college algebra and trigonometry. New York: McGraw - Hill , Inc.

MLA

Schmidt Philip, . 2500 solved problems in college algebra and trigonometry. New York: McGraw - Hill , Inc. 1991.