APA Citation

Posthoff, C., & Steinbach, B. (2019). Mathematics: Free of worries at the university II. [Place of publication not identified]: Bookboon.

Chicago Style Citation

Posthoff, Christian, and Bernd Steinbach. Mathematics: Free of Worries At the University II. [Place of publication not identified]: Bookboon, 2019.

MLA Citation

Posthoff, Christian, and Bernd Steinbach. Mathematics: Free of Worries At the University II. [Place of publication not identified]: Bookboon, 2019.

Warning: These citations may not always be 100% accurate.