Cita APA (7a ed.)
Fulghum, R. (1989). It was on fire when I lay down on it. Ivy Books.
Cita Chicago Style (17a ed.)
Fulghum, Robert. It Was on Fire When I Lay Down on It. New York: Ivy Books, 1989.
Cita MLA (9a ed.)
Fulghum, Robert. It Was on Fire When I Lay Down on It. Ivy Books, 1989.
Precaución: Estas citas no son 100% exactas.