APA (7th ed.) Citation

O'Brien, R. C. (1975). Z for Zachariah: A novel. Heinemann Educational.

Chicago Style (17th ed.) Citation

O'Brien, Robert C. Z for Zachariah: A Novel. London: Heinemann Educational, 1975.

MLA (9th ed.) Citation

O'Brien, Robert C. Z for Zachariah: A Novel. Heinemann Educational, 1975.