APA Style

Seuss, Dr. (1954). Horton Hears a Who! . : .

Chicago Style

Seuss, Dr. Horton Hears a Who!. : , 1954. Text.

MLA Style

Seuss, Dr. Horton Hears a Who!. : , 1954. Text.

Turabian Style

Seuss, Dr. Horton Hears a Who!. : , 1954. Print.