APA引文

Gale Group & Friedman, L. S. (2012). Endangered species. Greenhaven Press.

Chicago Style (17th ed.) Citation

Gale Group and Lauri S. Friedman. Endangered Species. Detroit, Mich: Greenhaven Press, 2012.

MLA引文

Gale Group and Lauri S. Friedman. Endangered Species. Greenhaven Press, 2012.