Citazione Stile APA (7a Edizione)

Phelps, R. H., & Stein, J. M. (1950). The German heritage: Readings at the second level. Holt.

Citazione stile Chigago Style (17a edizione)

Phelps, Reginald H., e Jack M. Stein. The German Heritage: Readings at the Second Level. [New York]: Holt, 1950.

Citatione MLA (9a ed.)

Phelps, Reginald H., e Jack M. Stein. The German Heritage: Readings at the Second Level. Holt, 1950.