Cita APA (7a ed.)

Hassall, J. (1912). Letters to my son. G. Bell and sons.

Cita Chicago Style (17a ed.)

Hassall, John. Letters to My Son. London: G. Bell and sons, 1912.

Cita MLA (8a ed.)

Hassall, John. Letters to My Son. G. Bell and sons, 1912.