APA Citation

Zeleny, R. O. (1974). The world book encyclopedia. Chicago: Field Enterprises Educational Corporation.

Chicago Style Citation

Zeleny, Robert O. The World Book Encyclopedia. Chicago: Field Enterprises Educational Corporation, 1974.

MLA Citation

Zeleny, Robert O. The World Book Encyclopedia. Chicago: Field Enterprises Educational Corporation, 1974.

Warning: These citations may not always be 100% accurate.