APA (7th ed.) Citation

Tarr, R. S. (1897). Elementary geology. Macmillan; Macmillan.

Chicago Style (17th ed.) Citation

Tarr, Ralph S. Elementary Geology. New York : London: Macmillan; Macmillan, 1897.

MLA (9th ed.) Citation

Tarr, Ralph S. Elementary Geology. Macmillan; Macmillan, 1897.