Cita APA (7a ed.)

British Insulated & Helsby Cables Limited & Helsby Cables, ltd. (1911). The B.I. Hand-Book (2nd. ed.).

Cita Chicago Style (17a ed.)

British Insulated & Helsby Cables Limited y ltd Helsby Cables. The B.I. Hand-Book. 2nd. ed. Prescot, Lancashire (U.K.), 1911.

Cita MLA (8a ed.)

British Insulated & Helsby Cables Limited y ltd Helsby Cables. The B.I. Hand-Book. 2nd. ed. 1911.