APA (7th ed.) Citation

Boys, C. V. (1959). Sopa bubbles and the forces which mould them. Doubleday Anchor Books.

Chicago Style (17th ed.) Citation

Boys, Charles Vernon. Sopa Bubbles and the Forces Which Mould Them. Nueva York: Doubleday Anchor Books, 1959.

MLA (9th ed.) Citation

Boys, Charles Vernon. Sopa Bubbles and the Forces Which Mould Them. Doubleday Anchor Books, 1959.