APA (7th ed.) Citation

Conwell, R. H., Peter, H., & Dahlstrom, G. E. (1968). Acres of diamonds: Russell Conwell's inspiring classic about opportunity. Hallmark Editions.

Chicago Style (17th ed.) Citation

Conwell, Russell H., Harald Peter, and Grant Edward Dahlstrom. Acres of Diamonds: Russell Conwell's Inspiring Classic About Opportunity. Kansas City, Mo.: Hallmark Editions, 1968.

MLA (8th ed.) Citation

Conwell, Russell H., et al. Acres of Diamonds: Russell Conwell's Inspiring Classic About Opportunity. Hallmark Editions, 1968.