APA (7th ed.) Citation

Keller, C. (2018). Das große Einmaleins. Herder-Korrespondenz, 72(1), 1.

Chicago Style (17th ed.) Citation

Keller, Claudia. "Das Große Einmaleins." Herder-Korrespondenz 72, no. 1 (2018): 1.

MLA (9th ed.) Citation

Keller, Claudia. "Das Große Einmaleins." Herder-Korrespondenz, vol. 72, no. 1, 2018, p. 1.

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