Cita APA (7a ed.)

British Science Guild. (1921). A catalogue of British scientific and technical books: : covering every branch of science and technology carefully classified and indexed. British Science Guild.

Cita Chicago Style (17a ed.)

British Science Guild. A Catalogue of British Scientific and Technical Books: : Covering Every Branch of Science and Technology Carefully Classified and Indexed. London: British Science Guild, 1921.

Cita MLA (9a ed.)

British Science Guild. A Catalogue of British Scientific and Technical Books: : Covering Every Branch of Science and Technology Carefully Classified and Indexed. British Science Guild, 1921.