(The) acidity of ropy milk,
by Kathleen Freear and Elfrida Constance Victoria Venn.

APA Citation

Freear, K. (1920). (The) acidity of ropy milk. Cambridge: At the University press.

MLA Citation

Freear, Kathleen. (The) Acidity of Ropy Milk. Cambridge: At the University press, 1920.

Warning: These citations may not always be complete (especially for serials).