APA (7th ed.) Citation

Lindgren, H. C. (1969). Readings in personal development. American Book Comp.

Chicago Style (17th ed.) Citation

Lindgren, Henry Clay. Readings in Personal Development. New York: American Book Comp, 1969.

MLA (9th ed.) Citation

Lindgren, Henry Clay. Readings in Personal Development. American Book Comp, 1969.