APA (7th ed.) Citation

Glen, W. (1975). Continental drift and plate tectonics. Merrill.

Chicago Style (17th ed.) Citation

Glen, William. Continental Drift and Plate Tectonics. Columbus, Ohio: Merrill, 1975.

MLA (9th ed.) Citation

Glen, William. Continental Drift and Plate Tectonics. Merrill, 1975.