APA引文

Hedberg, H. D. (1976). International stratigraphic guide. Wiley.

Chicago Style (17th ed.) Citation

Hedberg, Hollis D. International Stratigraphic Guide. New York: Wiley, 1976.

MLA引文

Hedberg, Hollis D. International Stratigraphic Guide. Wiley, 1976.

警告：這些引文格式不一定是100％准確.