APA (7th ed.) Citation

O'Brien, R. C. (1993). Z For Zachariah. Heinemann Publishers.

Chicago Style (17th ed.) Citation

O'Brien, Robert C. Z For Zachariah. London: Heinemann Publishers, 1993.

MLA (9th ed.) Citation

O'Brien, Robert C. Z For Zachariah. Heinemann Publishers, 1993.

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