APA (7th ed.) Citation

Shaw, G. B. (1939). Back to Methuselah: A metabiological pentateuch. Penguin Books.

Chicago Style (17th ed.) Citation

Shaw, George Bernard. Back to Methuselah: A Metabiological Pentateuch. Harmondsworth: Penguin Books, 1939.

MLA (9th ed.) Citation

Shaw, George Bernard. Back to Methuselah: A Metabiological Pentateuch. Penguin Books, 1939.