Cita APA

Samuelson, P. A. (1973). Economics (9th ed.). Phoenix Press.

Citación estilo Chicago

Samuelson, Paul Anthony. Economics. 9th ed. Quezon City: Phoenix Press, 1973.

Cita MLA

Samuelson, Paul Anthony. Economics. 9th ed. Phoenix Press, 1973.

Warning: These citations may not always be 100% accurate.