Gaya APA

Alyea, H, . (1956). Collier's Encyclopedia 4 (Ed. 4). New York: P. F. Collier & Son Cosporation.

Gaya MLA

Alyea, Hubert, . "Collier's Encyclopedia 4". Ed. 4 New York: P. F. Collier & Son Cosporation, 1956. Buku Pend. Sejarah.