APA (7th ed.) Citation

Hapka, C. Merry Christmas, Curious George. Houghton Mifflin Harcourt (Hmh).

Chicago Style (17th ed.) Citation

Hapka, Catherine. Merry Christmas, Curious George. Houghton Mifflin Harcourt (Hmh).

MLA (8th ed.) Citation

Hapka, Catherine. Merry Christmas, Curious George. Houghton Mifflin Harcourt (Hmh).

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