APA (7th ed.) Citation

Lehman, B. (2011). The secret box. Houghton Mifflin Books for Children.

Chicago Style (17th ed.) Citation

Lehman, Barbara. The Secret Box. Boston [u.a.]: Houghton Mifflin Books for Children, 2011.

MLA (9th ed.) Citation

Lehman, Barbara. The Secret Box. Houghton Mifflin Books for Children, 2011.

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