APA

Hayes B., . (2001). Sleep Demons An Insomniac 's Memoir. New York: Washington Square Press.

Chicago

Hayes Bill, . 2001. Sleep Demons An Insomniac 's Memoir. New York: Washington Square Press.

Harvard

Hayes B., . (2001). Sleep Demons An Insomniac 's Memoir. New York: Washington Square Press.

MLA

Hayes Bill, . Sleep Demons An Insomniac 's Memoir. New York: Washington Square Press. 2001.