APA (7th ed.) Citation

Blackadar, R. G. (1968). Guide for the preparation of geological maps and reports (Rev. ed.). Queen's Printer].

Chicago Style (17th ed.) Citation

Blackadar, R. G. Guide for the Preparation of Geological Maps and Reports. Rev. ed. [Ottawa: Queen's Printer], 1968.

MLA (8th ed.) Citation

Blackadar, R. G. Guide for the Preparation of Geological Maps and Reports. Rev. ed. Queen's Printer], 1968.