Cita APA (7a ed.)

Smith, H. (1985). Porto Bello Gold. Kinderbuchverlag.

Cita Chicago Style (17a ed.)

Smith, Howden. Porto Bello Gold. Berlin: Kinderbuchverlag, 1985.

Cita MLA (8a ed.)

Smith, Howden. Porto Bello Gold. Kinderbuchverlag, 1985.