APA引文

Douglas, I., & Spencer, T. (1982). Applied geomorphology in the tropics. Borntraeger.

Chicago Style (17th ed.) Citation

Douglas, Ian, and T. Spencer. Applied Geomorphology in the Tropics. Berlin: Borntraeger, 1982.

MLA引文

Douglas, Ian, and T. Spencer. Applied Geomorphology in the Tropics. Borntraeger, 1982.