APA (7th ed.) Citation

Phillips, W. J., & Phillips, N. (1980). An introduction to mineralogy for geologists / (by) W.J. & N Phillips. Wiley.

Chicago Style (17th ed.) Citation

Phillips, W J., and N. Phillips. An Introduction to Mineralogy for Geologists / (by) W.J. & N Phillips. Chichester (etc.): Wiley, 1980.

MLA (9th ed.) Citation

Phillips, W J., and N. Phillips. An Introduction to Mineralogy for Geologists / (by) W.J. & N Phillips. Wiley, 1980.

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