APA (7th ed.) Citation

Schmidt-Braul, I. M. (1981). The book trade of the world. K. G. Saur.

Chicago Style (17th ed.) Citation

Schmidt-Braul, Ingo-Eric M. The Book Trade of the World. München [etc.]: K. G. Saur, 1981.

MLA (9th ed.) Citation

Schmidt-Braul, Ingo-Eric M. The Book Trade of the World. K. G. Saur, 1981.