APA (7th ed.) Citation

Sage, Huber, G., & Van de Ven, A. (1995). Longitudinal field research methods. Sage.

Chicago Style (17th ed.) Citation

Sage, G. Huber, and A. Van de Ven. Longitudinal Field Research Methods. London: Sage, 1995.

MLA (8th ed.) Citation

Sage, et al. Longitudinal Field Research Methods. Sage, 1995.

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