NSF visiting professorships for women :
program announcement and guidelines.

APA Citation

National Science Foundation (U.S.). (1990). NSF visiting professorships for women: program announcement and guidelines. Washington, D.C.: National Science Foundation.

MLA Citation

National Science Foundation (U.S.). NSF Visiting Professorships for Women: Program Announcement And Guidelines. Washington, D.C.: National Science Foundation, 1990.

Warning: These citations may not always be complete (especially for serials).