APA (7th ed.) Citation

WORLD BOOK, I. (1987). THE PLANT WORLD. WORLD BOOK INC.

Chicago Style (17th ed.) Citation

WORLD BOOK, INC. THE PLANT WORLD. CHICAGO: WORLD BOOK INC, 1987.

MLA (9th ed.) Citation

WORLD BOOK, INC. THE PLANT WORLD. WORLD BOOK INC, 1987.

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