APA (7th ed.) Citation

Huxley, T. H. (1970). Biological & geological: Discourses. Georg Olms.

Chicago Style (17th ed.) Citation

Huxley, Thomas Henry. Biological & Geological: Discourses. Hildesheim [etc.]: Georg Olms, 1970.

MLA (9th ed.) Citation

Huxley, Thomas Henry. Biological & Geological: Discourses. Georg Olms, 1970.

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