APA Citation

Berkowitz, N., & Berkowitz, N. (1994). An introduction to coal technology (2. edición --.). San José, C.R.: Academic.

Chicago Style Citation

Berkowitz, Norbet, and Norbet Berkowitz. An Introduction to Coal Technology. 2. edición --. San José, C.R.: Academic, 1994.

MLA Citation

Berkowitz, Norbet, and Norbet Berkowitz. An Introduction to Coal Technology. 2. edición --. San José, C.R.: Academic, 1994.

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