APA (7th ed.) Citation

Blackadar, R. G. (1972). Guide for the preparation of geological maps and reports (Rev. ed.). Geological Survey of Canada, Dept. of Engery, Mines and Resources.

Chicago Style (17th ed.) Citation

Blackadar, Robert Gordon. Guide for the Preparation of Geological Maps and Reports. Rev. ed. [Ottawa]: Geological Survey of Canada, Dept. of Engery, Mines and Resources, 1972.

MLA (9th ed.) Citation

Blackadar, Robert Gordon. Guide for the Preparation of Geological Maps and Reports. Rev. ed. Geological Survey of Canada, Dept. of Engery, Mines and Resources, 1972.