APA (7th ed.) Citation

Lluch, C. (1973). The extended linear expenditure system. [s.n.].

Chicago Style (17th ed.) Citation

Lluch, Constantino. The Extended Linear Expenditure System. [S.l.]: [s.n.], 1973.

MLA (9th ed.) Citation

Lluch, Constantino. The Extended Linear Expenditure System. [s.n.], 1973.