APA引文

Spencer, E. W. (1962). Basic concepts of historical geology. Oxford & IBH.

Chicago Edition Citation

Spencer, Edgar Winston. Basic Concepts of Historical Geology. New Delhi: Oxford & IBH, 1962.

MLA引文

Spencer, Edgar Winston. Basic Concepts of Historical Geology. Oxford & IBH, 1962.

警告：這些引文格式不一定是100％准確.