APA (7th ed.) Citation

John, D. (1980). Leadership in schools (1. publ.). Heinemann Educational Books.

Chicago Style (17th ed.) Citation

John, Denys. Leadership in Schools. 1. publ. London: Heinemann Educational Books, 1980.

MLA (9th ed.) Citation

John, Denys. Leadership in Schools. 1. publ. Heinemann Educational Books, 1980.