Gaya APA

JOHNSTON, W, D, H, B., ENCYCLOPEDIA, C. (). COLLIER'S ENCYCLOPEDIA VOL. 13 . NEW YORK: MACMILLAN EDUCATIONAL COM.

Gaya MLA

JOHNSTON, WILLIAM, D., HASLEY,, BERNARD., ENCYCLOPEDIA, COLLIE\'S. "COLLIER'S ENCYCLOPEDIA VOL. 13". NEW YORK: MACMILLAN EDUCATIONAL COM, . Text.