APA (7th ed.) Citation

Abels, H. S., Furan, R., Furan, B. H., & Schroeder, H. (1979). Forgotten world. Crestwood House.

Chicago Style (17th ed.) Citation

Abels, Harriette Sheffer, Rod Furan, Barbara Howell Furan, and Howard Schroeder. Forgotten World. Mankato, Minn.: Crestwood House, 1979.

MLA (9th ed.) Citation

Abels, Harriette Sheffer, et al. Forgotten World. Crestwood House, 1979.