Cita APA (7th ed.)

Bram, C. (1991). Hold tight: Christopher Bram (2. Auflage.). GMP.

Cita Chicago (17th ed.)

Bram, Christopher. Hold Tight: Christopher Bram. 2. Auflage. London: GMP, 1991.

Cita MLA (8th ed.)

Bram, Christopher. Hold Tight: Christopher Bram. 2. Auflage. GMP, 1991.