Cita APA (7a ed.)

Boehmer, S. E., & Groneman, C. H. (1945). Making things is fun. Steck Co..

Cita Chicago Style (17a ed.)

Boehmer, Susan E., y Chris Harold Groneman. Making Things Is Fun. Austin, Texas: Steck Co., 1945.

Cita MLA (8a ed.)

Boehmer, Susan E., y Chris Harold Groneman. Making Things Is Fun. Steck Co., 1945.