APA

McCullough C., . (1977). The thorn birds. New York: Harper & Row.

Chicago

McCullough Colleen, . 1977. The thorn birds. New York: Harper & Row.

Harvard

McCullough C., . (1977). The thorn birds. New York: Harper & Row.

MLA

McCullough Colleen, . The thorn birds. New York: Harper & Row. 1977.