APA

Gibson R. L., Mitchell M. & Gibson R. L. (1990). Introduction to counseling and guidance. New York: Macmillan.

Chicago

Gibson Robert L, Mitchell Marianne and Gibson Robert L. 1990. Introduction to counseling and guidance. New York: Macmillan.

Harvard

Gibson R. L., Mitchell M. and Gibson R. L. (1990). Introduction to counseling and guidance. New York: Macmillan.

MLA

Gibson Robert L, Mitchell Marianne and Gibson Robert L. Introduction to counseling and guidance. New York: Macmillan. 1990.