APA (7th ed.) Citation
Delderfield, R. F. (1972). The headmaster: Book 2 of to serve them all my days. Coronet books.
Chicago Style (17th ed.) Citation
Delderfield, R. F. The Headmaster: Book 2 of to Serve Them All My Days. London: Coronet books, 1972.
MLA (9th ed.) Citation
Delderfield, R. F. The Headmaster: Book 2 of to Serve Them All My Days. Coronet books, 1972.
Warning: These citations may not always be 100% accurate.