APA (7th ed.) Citation

McGregor, K. (1967). The drilling of rock. CR Books.

Chicago Style (17th ed.) Citation

McGregor, K. The Drilling of Rock. London: CR Books, 1967.

MLA (9th ed.) Citation

McGregor, K. The Drilling of Rock. CR Books, 1967.

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