Citazione Stile APA (7a Edizione)

Mariano, L. C. (1973). The energy situation: Its impact on the economy. s.n.

Citazione stile Chigago Style (17a edizione)

Mariano, Leonardo C. The Energy Situation: Its Impact on the Economy. [S.l: s.n, 1973.

Citatione MLA (9a ed.)

Mariano, Leonardo C. The Energy Situation: Its Impact on the Economy. s.n, 1973.