APA (7th ed.) Citation

Lagerkvist, P., & Blair, A. (1960). Barabbas. Four Square Book.

Chicago Style (17th ed.) Citation

Lagerkvist, Par, and Alan Blair. Barabbas. London: Four Square Book, 1960.

MLA (9th ed.) Citation

Lagerkvist, Par, and Alan Blair. Barabbas. Four Square Book, 1960.