APA (7th ed.) Citation

Schulz, P. J., Otoupalik, H., & Gordon, D. (1988). World War One collectors handbook. GOS Publishing Inc..

Chicago Style (17th ed.) Citation

Schulz, Paul J., Hayes Otoupalik, and Dennis Gordon. World War One Collectors Handbook. Missoula, MT: GOS Publishing Inc., 1988.

MLA (9th ed.) Citation

Schulz, Paul J., et al. World War One Collectors Handbook. GOS Publishing Inc., 1988.