APA (7th ed.) Citation

Spencer, M. H. (1986). Contemporary economics (6ª ed.). Worth.

Chicago Style (17th ed.) Citation

Spencer, Milton H. Contemporary Economics. 6ª ed. Worth, 1986.

MLA (9th ed.) Citation

Spencer, Milton H. Contemporary Economics. 6ª ed. Worth, 1986.

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