APA (7th ed.) Citation

De La Beche, H. T. (1853). The geological observer (2d ed., rev.). Longman, Brown, Green, and Longmans.

Chicago Style (17th ed.) Citation

De La Beche, Henry T. The Geological Observer. 2d ed., rev. London: Longman, Brown, Green, and Longmans, 1853.

MLA (9th ed.) Citation

De La Beche, Henry T. The Geological Observer. 2d ed., rev. Longman, Brown, Green, and Longmans, 1853.