APA (7th ed.) Citation

Jones, J. P., & Hollister, P. M. (1918). The German secret service in America, 1914-1918. Small, Maynard & Company.

Chicago Style (17th ed.) Citation

Jones, John Price, and Paul M. Hollister. The German Secret Service in America, 1914-1918. Boston: Small, Maynard & Company, 1918.

MLA (8th ed.) Citation

Jones, John Price, and Paul M. Hollister. The German Secret Service in America, 1914-1918. Small, Maynard & Company, 1918.