Cita APA (7th ed.)

Deen, W., & Garritzmann, U. (1998). OMA's little helper. ARCH+.

Cita Chicago (17th ed.)

Deen, Wouter, i Udo Garritzmann. "OMA's Little Helper." ARCH+ 1998.

Cita MLA (8th ed.)

Deen, Wouter, i Udo Garritzmann. "OMA's Little Helper." ARCH+, 1998.