APA (7th ed.) Citation

Gelb, A., & Gelb, B. (1960). O'Neill / by Arthur Gelb and Barbara Gelb. Jonathan Cape.

Chicago Style (17th ed.) Citation

Gelb, Arthur, and Barbara Gelb. O'Neill / by Arthur Gelb and Barbara Gelb. Jonathan Cape, 1960.

MLA (9th ed.) Citation

Gelb, Arthur, and Barbara Gelb. O'Neill / by Arthur Gelb and Barbara Gelb. Jonathan Cape, 1960.

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