APA引文

Ulmer, M. J. (1965). Economics: Theory and practice. Houghton Mifflin.

Chicago Edition Citation

Ulmer, Melville J. Economics: Theory and Practice. Boston: Houghton Mifflin, 1965.

MLA引文

Ulmer, Melville J. Economics: Theory and Practice. Houghton Mifflin, 1965.

警告：這些引文格式不一定是100％准確.