Cita APA (7th ed.)

Sutherland, M. E. (1947). One-step problem patterns and their relation to problem solving in arithmetic. Bureau of Publications.

Cita Chicago (17th ed.)

Sutherland, Mary Ethel. One-step Problem Patterns and Their Relation to Problem Solving in Arithmetic. New York: Bureau of Publications, 1947.

Cita MLA (9th ed.)

Sutherland, Mary Ethel. One-step Problem Patterns and Their Relation to Problem Solving in Arithmetic. Bureau of Publications, 1947.