Cita APA (7a ed.)

Johnson, B. D. (2014). 21st Century Robot. Maker Media.

Cita Chicago Style (17a ed.)

Johnson, Brian David. 21st Century Robot. Sebastopol, CA: Maker Media, 2014.

Cita MLA (8a ed.)

Johnson, Brian David. 21st Century Robot. Maker Media, 2014.