APA (7th ed.) Citation

Orla-Jensen, S., & Arup, P. S. (1931). Dairy bacteriology (Second English edition.). P. Blakiston's sons & co. inc..

Chicago Style (17th ed.) Citation

Orla-Jensen, Sigurd, and Paul Seidelin Arup. Dairy Bacteriology. Second English edition. Philadelphia: P. Blakiston's sons & co. inc., 1931.

MLA (9th ed.) Citation

Orla-Jensen, Sigurd, and Paul Seidelin Arup. Dairy Bacteriology. Second English edition. P. Blakiston's sons & co. inc., 1931.