Cita APA (7a ed.)

Verhoeven, S., & Scheele, J. (1997). Mach's gut (1. dr.). BKE.

Cita Chicago Style (17a ed.)

Verhoeven, Sjef, y Jan Scheele. Mach's Gut. 1. dr. Baarn: BKE, 1997.

Cita MLA (9a ed.)

Verhoeven, Sjef, y Jan Scheele. Mach's Gut. 1. dr. BKE, 1997.