APA引文

Spiegel, S. L. (1995). World politics in a new era. Harcourt Brace College Publishers.

Chicago Style (17th ed.) Citation

Spiegel, Steven L. World Politics in a New Era. Fort Worth: Harcourt Brace College Publishers, 1995.

MLA引文

Spiegel, Steven L. World Politics in a New Era. Harcourt Brace College Publishers, 1995.