APA (7th ed.) Citation

Seligman, B. B. (1968). Permanent poverty: An American syndrome. Quadrangle Books.

Chicago Style (17th ed.) Citation

Seligman, Ben B. Permanent Poverty: An American Syndrome. Chicago: Quadrangle Books, 1968.

MLA (9th ed.) Citation

Seligman, Ben B. Permanent Poverty: An American Syndrome. Quadrangle Books, 1968.