APA (7th ed.) Citation

Higgins, F. E. (2007). The black book of secrets (1. publ.). Macmillan Children's.

Chicago Style (17th ed.) Citation

Higgins, F. E. The Black Book of Secrets. 1. publ. London [u.a.]: Macmillan Children's, 2007.

MLA (9th ed.) Citation

Higgins, F. E. The Black Book of Secrets. 1. publ. Macmillan Children's, 2007.