Παραπομπή APA

De Sabbata, V., & Schmutzer, E. (1983). Unified field theories. World Scientific.

Παραπομπή Chicago Style

De Sabbata, Venzo, και Ernst Schmutzer. Unified Field Theories. Singapore: World Scientific, 1983.

Παραπομπή MLA

De Sabbata, Venzo, και Ernst Schmutzer. Unified Field Theories. World Scientific, 1983.