APA (7th ed.) Citation

Ratnasingam, J., Ma, T., & Perkins, M. (1999). Productivity in wood machining processes - a question of simple economics ? Springer Verlag.

Chicago Style (17th ed.) Citation

Ratnasingam, J., T.P Ma, and M.C Perkins. Productivity in Wood Machining Processes - a Question of Simple Economics ? Springer Verlag, 1999.

MLA (9th ed.) Citation

Ratnasingam, J., et al. Productivity in Wood Machining Processes - a Question of Simple Economics ? Springer Verlag, 1999.