Citazione APA

Southworth, G. V. D., & Southworth, J. V. D. (1952). Heroes of our America. Iroquois Pub. Co.

Stile di citazione Chicago

Southworth, Gertrude Van Duyn, e John Van Duyn Southworth. Heroes of Our America. Syracuse, N.Y.: Iroquois Pub. Co, 1952.

Citazione MLA

Southworth, Gertrude Van Duyn, e John Van Duyn Southworth. Heroes of Our America. Iroquois Pub. Co, 1952.