APA (7th ed.) Citation

Wormald, T. J. (1982). HP67 and HP97 calculator programs for elementary statistical calculations (also compatible with the HP41-C). Commonwealth Forestry Institute, University of Oxford.

Chicago Style (17th ed.) Citation

Wormald, T. J. HP67 and HP97 Calculator Programs for Elementary Statistical Calculations (also Compatible with the HP41-C). Oxford: Commonwealth Forestry Institute, University of Oxford, 1982.

MLA (9th ed.) Citation

Wormald, T. J. HP67 and HP97 Calculator Programs for Elementary Statistical Calculations (also Compatible with the HP41-C). Commonwealth Forestry Institute, University of Oxford, 1982.