APA (7th ed.) Citation

Manna, J. S., & Katzenstein, H. (1992). The global legal environment of direct marketing in the 21st century. Legas.

Chicago Style (17th ed.) Citation

Manna, John S., and Herbert Katzenstein. The Global Legal Environment of Direct Marketing in the 21st Century. [Brooklyn, N.Y.]: Legas, 1992.

MLA (9th ed.) Citation

Manna, John S., and Herbert Katzenstein. The Global Legal Environment of Direct Marketing in the 21st Century. Legas, 1992.