APA (7th ed.) Citation

Snelgrove, D. A. K. (1960). Opportunities in geology and geological engineering. Vocational Guidance Manuals.

Chicago Style (17th ed.) Citation

Snelgrove, Dr. Alfred Kitchener. Opportunities in Geology and Geological Engineering. New York: Vocational Guidance Manuals, 1960.

MLA (9th ed.) Citation

Snelgrove, Dr. Alfred Kitchener. Opportunities in Geology and Geological Engineering. Vocational Guidance Manuals, 1960.