820975. (1846). A Secret Worth Knowing: A Treatise on the Most Important Subject in the World: Simply to Say, Insanity.
Chicago Style (17th ed.) Citation820975. A Secret Worth Knowing: A Treatise on the Most Important Subject in the World: Simply to Say, Insanity. Nashville, TN: 0, 1846.
MLA (9th ed.) Citation820975. A Secret Worth Knowing: A Treatise on the Most Important Subject in the World: Simply to Say, Insanity. 1846.
Warning: These citations may not always be 100% accurate.