APA (7th ed.) Citation

British Standards Institution. (1970). Specification for the abbreviation of titles of periodicals (Rev. ed.). The Institution.

Chicago Style (17th ed.) Citation

British Standards Institution. Specification for the Abbreviation of Titles of Periodicals. Rev. ed. [London]: The Institution, 1970.

MLA (8th ed.) Citation

British Standards Institution. Specification for the Abbreviation of Titles of Periodicals. Rev. ed. The Institution, 1970.