MLA

Ewer, Warren Baxter, 1814-1906. The California silk growers' manual. By W.B. Ewer, A.M. Published under direction of the California Silk Culture Association.. 1882. https://collections.library.yale.edu/catalog/16626335.

APA, 6th edition

Ewer, Warren Baxter, 1814-1906. (1882)[The California silk growers' manual. By W.B. Ewer, A.M. Published under direction of the California Silk Culture Association.]. https://collections.library.yale.edu/catalog/16626335.