APA (7th ed.) Citation

Gy, P., & Royle, A. G. (1998). Sampling for analytical purposes. Wiley.

Chicago Style (17th ed.) Citation

Gy, Pierre, and A. G. Royle. Sampling for Analytical Purposes. Chichester, England: Wiley, 1998.

MLA (9th ed.) Citation

Gy, Pierre, and A. G. Royle. Sampling for Analytical Purposes. Wiley, 1998.