APA Style

WEBSTER'S NEW WORLD ENCYCLOPEDIA. (1990). LONDON: PRENTICE HALL REGENTS.

Chicago Style

WEBSTER'S NEW WORLD ENCYCLOPEDIA. . LONDON: PRENTICE HALL REGENTS, 1990. Text.

MLA Style

WEBSTER'S NEW WORLD ENCYCLOPEDIA. . LONDON: PRENTICE HALL REGENTS, 1990. Text.

Turabian Style

WEBSTER'S NEW WORLD ENCYCLOPEDIA. LONDON: PRENTICE HALL REGENTS, 1990. Print.