APA (7th ed.) Citation

Machtan, L., Brownjohn, J. 1., & Ehlert, S. (2001). The hidden Hitler. Basic Books.

Chicago Style (17th ed.) Citation

Machtan, Lothar, John 11.04.1929-06.01.2020 Brownjohn, and Susanne Ehlert. The Hidden Hitler. New York, NY: Basic Books, 2001.

MLA (8th ed.) Citation

Machtan, Lothar, et al. The Hidden Hitler. Basic Books, 2001.