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.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.