Cita APA (7a ed.)

WORLD BOOK INT. (1991). YOUNG SCIENTIST VOL IX. WORLD BOOK INT.

Cita Chicago Style (17a ed.)

WORLD BOOK INT. YOUNG SCIENTIST VOL IX. LONDON: WORLD BOOK INT, 1991.

Cita MLA (9a ed.)

WORLD BOOK INT. YOUNG SCIENTIST VOL IX. WORLD BOOK INT, 1991.