APA (7th ed.) Citation

Ulrich, W. (2001). The quest for competence in systemic research and practice. Systems Research & Behavioral Science, 18(1), 3. https://doi.org/10.1002/sres.366

Chicago Style (17th ed.) Citation

Ulrich, Werner. "The Quest for Competence in Systemic Research and Practice." Systems Research & Behavioral Science 18, no. 1 (2001): 3. https://doi.org/10.1002/sres.366.

MLA (9th ed.) Citation

Ulrich, Werner. "The Quest for Competence in Systemic Research and Practice." Systems Research & Behavioral Science, vol. 18, no. 1, 2001, p. 3, https://doi.org/10.1002/sres.366.