Cita APA (7a ed.)

Guitton, P. (2009). A homage to typography ([s.e.].). Index book.

Cita Chicago Style (17a ed.)

Guitton, Pedro. A Homage to Typography. [s.e.]. Barcelona: Index book, 2009.

Cita MLA (8a ed.)

Guitton, Pedro. A Homage to Typography. [s.e.]. Index book, 2009.