APA (7th ed.) Citation

Hannigan, K. True (. . . Sort Of). Greenwillow Books.

Chicago Style (17th ed.) Citation

Hannigan, Katherine. True (. . . Sort Of). Greenwillow Books.

MLA (8th ed.) Citation

Hannigan, Katherine. True (. . . Sort Of). Greenwillow Books.

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