APA

Morgan Rachel,, . (1987). Introducing unix system V. New York: McGraw Hill Co.

Chicago

Morgan Rachel,, . 1987. Introducing unix system V. New York: McGraw Hill Co.

Harvard

Morgan Rachel,, . (1987). Introducing unix system V. New York: McGraw Hill Co.

MLA

Morgan Rachel,, . Introducing unix system V. New York: McGraw Hill Co. 1987.