APA (7th ed.) Citation

Kraemer, H. C., & Thiemann, S. (1987). How many subjects?: Statistical power analysis in research. Sage Publications.

Chicago Style (17th ed.) Citation

Kraemer, Helena Chmura, and Sue Thiemann. How Many Subjects?: Statistical Power Analysis in Research. Newbury Park: Sage Publications, 1987.

MLA (9th ed.) Citation

Kraemer, Helena Chmura, and Sue Thiemann. How Many Subjects?: Statistical Power Analysis in Research. Sage Publications, 1987.

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