Cita APA (7a ed.)

British Standards Institution. (1968). Specification for fine pitch gears. British Standards Institution.

Cita Chicago Style (17a ed.)

British Standards Institution. Specification for Fine Pitch Gears. London: British Standards Institution, 1968.

Cita MLA (8a ed.)

British Standards Institution. Specification for Fine Pitch Gears. British Standards Institution, 1968.