APA Citation

Gregory, R. A. (1921). A catalogue of British scientific and technical books: Covering every branch of science and technology carefully classified and indexed. London: British Science Guild.

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.