APA (7th ed.) Citation

(1994). Practical problem solver: Substitutes short cuts and ingenious solutions (ed.). The reader's digest association.

Chicago Style (17th ed.) Citation

Practical Problem Solver: Substitutes Short Cuts and Ingenious Solutions. ed. Cape Town: The reader's digest association, 1994.

MLA (9th ed.) Citation

Practical Problem Solver: Substitutes Short Cuts and Ingenious Solutions. ed. The reader's digest association, 1994.