APA (7th ed.) Citation

Spielberger, C. D. (1972). Anxiety: Current trends in theory and research. Academic Press.

Chicago Style (17th ed.) Citation

Spielberger, Charles Donald. Anxiety: Current Trends in Theory and Research. New York [etc.]: Academic Press, 1972.

MLA (9th ed.) Citation

Spielberger, Charles Donald. Anxiety: Current Trends in Theory and Research. Academic Press, 1972.

Warning: These citations may not always be 100% accurate.