APA (7th ed.) Citation

Macgregor, M., & MacGregor, A. G. (1936). British regional geology: The Midland valley of Scotland. H.M. Stationery Off.

Chicago Style (17th ed.) Citation

Macgregor, Murray, and Archibald Gordon MacGregor. British Regional Geology: The Midland Valley of Scotland. Edinburgh: H.M. Stationery Off, 1936.

MLA (9th ed.) Citation

Macgregor, Murray, and Archibald Gordon MacGregor. British Regional Geology: The Midland Valley of Scotland. H.M. Stationery Off, 1936.

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