Citazione Stile APA (7a Edizione)

Hanna, P. R., Hoyt, G. A., Gray, W. S., Foy, F., & Funk, C. E. (1948). Guidebook for social studies book C "Someday soon" (Teacher's ed.). Scott, Foresman.

Citazione stile Chigago Style (17a edizione)

Hanna, Paul Robert, Genevieve Anderson Hoyt, William S. Gray, Frances Foy, e Clotilde Embree Funk. Guidebook for Social Studies Book C "Someday Soon". Teacher's ed. Chicago [u.a.]: Scott, Foresman, 1948.

Citatione MLA (9a ed.)

Hanna, Paul Robert, et al. Guidebook for Social Studies Book C "Someday Soon". Teacher's ed. Scott, Foresman, 1948.