APA (7th ed.) Citation

Knowledge Products, Stone, M., & Heston, C. (1991). Arthur Schopenhauer. Knowledge Products.

Chicago Style (17th ed.) Citation

Knowledge Products, Mark Stone, and Charlton Heston. Arthur Schopenhauer. Nashville, TN: Knowledge Products, 1991.

MLA (9th ed.) Citation

Knowledge Products, et al. Arthur Schopenhauer. Knowledge Products, 1991.