Cita APA (7a ed.)

Ford, G., Ford, S., & Ford, M. (2018). Hello Scratch! (1st edition.). Manning.

Cita Chicago Style (17a ed.)

Ford, Gabriel, Sadie Ford, y Melissa Ford. Hello Scratch! 1st edition. Shelter Island, New York: Manning, 2018.

Cita MLA (9a ed.)

Ford, Gabriel, et al. Hello Scratch! 1st edition. Manning, 2018.