APA (7th ed.) Citation

Beranek, A., Kivimäki, T. M., & Mannerheim, G. (1942). Mannerheim. Luken & Luken.

Chicago Style (17th ed.) Citation

Beranek, August, T. M. Kivimäki, and Gustaf Mannerheim. Mannerheim. Berlin: Luken & Luken, 1942.

MLA (8th ed.) Citation

Beranek, August, et al. Mannerheim. Luken & Luken, 1942.