Cita APA

Boyes,William, & Melvin, M. (1991). Economics. Houghton Mifflin.

Citación estilo Chicago

Boyes,William, and Michael Melvin. Economics. Boston: Houghton Mifflin, 1991.

Cita MLA

Boyes,William, and Michael Melvin. Economics. Houghton Mifflin, 1991.

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