APA (7th ed.) Citation

Nelson, N. M. (1978). International subscription agents: An annotated directory (4. ed.). American Library Assoc.

Chicago Style (17th ed.) Citation

Nelson, Nancy Melin. International Subscription Agents: An Annotated Directory. 4. ed. Chicago: American Library Assoc, 1978.

MLA (9th ed.) Citation

Nelson, Nancy Melin. International Subscription Agents: An Annotated Directory. 4. ed. American Library Assoc, 1978.