APA

Gignac L., Warsaw J. & Barkentin G. (1981). Everything you need to know to have great-looking hair. New York: Viking Press.

Chicago

Gignac Louis, Warsaw Jacqueline and Barkentin George. 1981. Everything you need to know to have great-looking hair. New York: Viking Press.

Harvard

Gignac L., Warsaw J. and Barkentin G. (1981). Everything you need to know to have great-looking hair. New York: Viking Press.

MLA

Gignac Louis, Warsaw Jacqueline and Barkentin George. Everything you need to know to have great-looking hair. New York: Viking Press. 1981.