Cita APA (7a ed.)

Helfer, J. R. (1953). How to know the grasshoppers, cockroache and their allies. WM. C. Brown.

Cita Chicago Style (17a ed.)

Helfer, Jackes R. How to Know the Grasshoppers, Cockroache and Their Allies. Dubuque, Iowa: WM. C. Brown, 1953.

Cita MLA (9a ed.)

Helfer, Jackes R. How to Know the Grasshoppers, Cockroache and Their Allies. WM. C. Brown, 1953.