APA (7th ed.) Citation

Gadd, N. R. (1961). Surficial geology of the Ottawa area.

Chicago Style (17th ed.) Citation

Gadd, N. R. Surficial Geology of the Ottawa Area. 1961.

MLA (9th ed.) Citation

Gadd, N. R. Surficial Geology of the Ottawa Area. 1961.

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