Cita APA

(1963). The world book encyclopedia. Vol.13 (N-O). Chicago: Field Enterprises Educational Corporation.

Chicago Style Citation

The World Book Encyclopedia. Vol.13 (N-O). Chicago: Field Enterprises Educational Corporation, 1963.

Cita MLA

The World Book Encyclopedia. Vol.13 (N-O). Chicago: Field Enterprises Educational Corporation, 1963.

Atenció: Aquestes cites poden no estar 100% correctes.