Cita APA (7th ed.)

Samuelson, P. (1963). Foundations of eco. analysis. Harvard Univ. Press.

Cita Chicago (17th ed.)

Samuelson, P. Foundations of Eco. Analysis. Cambridge: Harvard Univ. Press, 1963.

Cita MLA (9th ed.)

Samuelson, P. Foundations of Eco. Analysis. Harvard Univ. Press, 1963.