APA

Kirchhofer M., Tavel L. v., Strabel D., Fournier C., Steiner A., Graber H. U. & Kaufmann T. (20071210). [Herd problem: udder health. Retrospective study of farms assessed by the Swiss Bovine Health Service (BHS) from 1999 to 2004]. : DTW. Deutsche tierarztliche Wochenschrift.

Chicago

Kirchhofer M, Tavel L v, Strabel D, Fournier C, Steiner A, Graber H U and Kaufmann T. 20071210. [Herd problem: udder health. Retrospective study of farms assessed by the Swiss Bovine Health Service (BHS) from 1999 to 2004]. : DTW. Deutsche tierarztliche Wochenschrift.

Harvard

Kirchhofer M., Tavel L. v., Strabel D., Fournier C., Steiner A., Graber H. U. and Kaufmann T. (20071210). [Herd problem: udder health. Retrospective study of farms assessed by the Swiss Bovine Health Service (BHS) from 1999 to 2004]. : DTW. Deutsche tierarztliche Wochenschrift.

MLA

Kirchhofer M, Tavel L v, Strabel D, Fournier C, Steiner A, Graber H U and Kaufmann T. [Herd problem: udder health. Retrospective study of farms assessed by the Swiss Bovine Health Service (BHS) from 1999 to 2004]. : DTW. Deutsche tierarztliche Wochenschrift. 20071210.