APA-Zitierstil (7. Ausg.)

Osswald, B., Klee, F., & Wysocki, S. (1993). The reliability of highly elevated CA 19-9 levels. Disease markers, 11(5/6), .

Chicago-Zitierstil (17. Ausg.)

Osswald, Brigitte, Friedrich Klee, und Stefan Wysocki. "The Reliability of Highly Elevated CA 19-9 Levels." Disease Markers 11, no. 5/6 (1993).

MLA-Zitierstil (9. Ausg.)

Osswald, Brigitte, et al. "The Reliability of Highly Elevated CA 19-9 Levels." Disease Markers, vol. 11, no. 5/6, 1993.