Cita APA (7th ed.)

Barlow, W. (1973). The Alexander Principle. Gollancz.

Cita Chicago (17th ed.)

Barlow, Wilfred. The Alexander Principle. London: Gollancz, 1973.

Cita MLA (9th ed.)

Barlow, Wilfred. The Alexander Principle. Gollancz, 1973.