APA način citiranja (7. izdanje)

Leftwich, R. H. An introduction to economic thinking [by] Richard H. Leftwich.

Čikaški stil citiranja (17. izdanje)

Leftwich, Richard H. An Introduction to Economic Thinking [by] Richard H. Leftwich. New York, Holt, Rinehart and Winston [1969].

MLA način citiranja (9. izdanje)

Leftwich, Richard H. An Introduction to Economic Thinking [by] Richard H. Leftwich.