Citazione Stile APA (7a Edizione)

Muller-Lyer, F. C. (1920). The history of social development. Allen & Unwin.

Citazione stile Chigago Style (17a edizione)

Muller-Lyer, Franz Carl. The History of Social Development. London: Allen & Unwin, 1920.

Citatione MLA (8a ed.)

Muller-Lyer, Franz Carl. The History of Social Development. Allen & Unwin, 1920.