APA цитиране

Amacher, R. C., & Ulbrich, H. H. (1986). Principles of economics (3/e [i.e. 3rd ed.].). Cincinnati: South-Western Pub. Co..

Чикагска система за цитиране

Amacher, Ryan C., и Holley H. Ulbrich. Principles of Economics. 3/e [i.e. 3rd ed.]. Cincinnati: South-Western Pub. Co., 1986.

MLA формат за цитиране

Amacher, Ryan C., и Holley H. Ulbrich. Principles of Economics. 3/e [i.e. 3rd ed.]. Cincinnati: South-Western Pub. Co., 1986.