APA (7th ed.) Citation

Blackburn, D. J. (1984). Extension handbook. University of Guelph.

Chicago Style (17th ed.) Citation

Blackburn, Donald J. Extension Handbook. Guelph, Ontario: University of Guelph, 1984.

MLA (9th ed.) Citation

Blackburn, Donald J. Extension Handbook. University of Guelph, 1984.