Penggayaan APA

THE WORLD Book encyclopedia, volume 20:. (1960). London: World Book, Inc.

Chicago Style

THE WORLD Book encyclopedia, volume 20:. . London: World Book, Inc, 1960. Buku.

MLA Style

THE WORLD Book encyclopedia, volume 20:. . London: World Book, Inc, 1960. Buku.

Turabian Style

THE WORLD Book encyclopedia, volume 20:. London: World Book, Inc, 1960. Buku.