APA Style

Mercer Mayer's Little Critter's Day. (). : .

Chicago Style

Mercer Mayer's Little Critter's Day. . : , . Monograph.

MLA Style

Mercer Mayer's Little Critter's Day. . : , . Monograph.

Turabian Style

Mercer Mayer's Little Critter's Day. : , . Monograph.