Παραπομπή APA

(1974). Science Year: The world book science annual 1975. Chicago, Illinois: Field Enterprises Educational Corporation.

Παραπομπή Chicago Style

Science Year: The World Book Science Annual 1975. Chicago, Illinois: Field Enterprises Educational Corporation, 1974.

Παραπομπή MLA

Science Year: The World Book Science Annual 1975. Chicago, Illinois: Field Enterprises Educational Corporation, 1974.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.