Cita APA (7th ed.)

Dugger, W. M., & Peach, J. T. (2015). Economic abundance: An introduction.

Cita Chicago (17th ed.)

Dugger, William M., i James T. Peach. Economic Abundance: An Introduction. Abingdon, Oxon : Routledge, imprint of Taylor and Francis Group, 2015.

Cita MLA (9th ed.)

Dugger, William M., i James T. Peach. Economic Abundance: An Introduction. 2015.