APA (7th ed.) Citation

WORLD BOOK. (1990). WORLD BOOK'S SCIENCE DESK REFERENCE. WORLD BOOK INC.

Chicago Style (17th ed.) Citation

WORLD BOOK. WORLD BOOK'S SCIENCE DESK REFERENCE. CHICAGO: WORLD BOOK INC, 1990.

MLA (9th ed.) Citation

WORLD BOOK. WORLD BOOK'S SCIENCE DESK REFERENCE. WORLD BOOK INC, 1990.

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