APA (7th ed.) Citation

Naumann, F., Meredith, C. M., & Ashley, W. J. (1916). Central Europe. King.

Chicago Style (17th ed.) Citation

Naumann, Friedrich, Christabel M. Meredith, and W. J. Ashley. Central Europe. London: King, 1916.

MLA (8th ed.) Citation

Naumann, Friedrich, et al. Central Europe. King, 1916.