Zeigler, J. (1991). Why Do Elephant's Wear Purple Suspenders? Smithmark Pub.
Cita Chicago Style (17a ed.)Zeigler, Judy. Why Do Elephant's Wear Purple Suspenders? New York: Smithmark Pub, 1991.
Cita MLA (8a ed.)Zeigler, Judy. Why Do Elephant's Wear Purple Suspenders? Smithmark Pub, 1991.
Precaución: Estas citas no son 100% exactas.