Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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