Gaya APA

Alyea, H, . (1956). Collier's Encyclopedia 13 (Ed. 13). New York: P. F. Collier & Son Cosporation.

Gaya MLA

Alyea, Hubert, . "Collier's Encyclopedia 13". Ed. 13 New York: P. F. Collier & Son Cosporation, 1956. Buku Pend. Sejarah.