Cita APA (7th ed.)

van den Berg, Floris, & van Gelder, T. /. T. (2014). Critical Thinking. Independent Publishing.

Cita Chicago (17th ed.)

van den Berg, Floris, i Tim / Teppema van Gelder. Critical Thinking. Createspace / Academic Press: Independent Publishing, 2014.

Cita MLA (9th ed.)

van den Berg, et al. Critical Thinking. Independent Publishing, 2014.