Cita APA (7a ed.)

DAY, R. [. (1981). Know How 1. Orbis.

Cita Chicago Style (17a ed.)

DAY, Roy [ed.]. Know How 1. Bedfordbury: Orbis, 1981.

Cita MLA (9a ed.)

DAY, Roy [ed.]. Know How 1. Orbis, 1981.