APA (7th ed.) Citation

Griffin, G. (1960). Sons of god. Penguin Books.

Chicago Style (17th ed.) Citation

Griffin, Gwyn. Sons of God. Londres: Penguin Books, 1960.

MLA (9th ed.) Citation

Griffin, Gwyn. Sons of God. Penguin Books, 1960.

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