Cita APA (7th ed.)

National Research Council (U.S.), National Science Foundation (U.S.). Division of Science Resources Studies, Brown, P., & Henderson, P. (1998). Doctoral scientists and engineers in the United States: 1995 profile. National Science Foundation.

Cita Chicago (17th ed.)

National Research Council (U.S.), National Science Foundation (U.S.). Division of Science Resources Studies, Prudence Brown, i Peter Henderson. Doctoral Scientists and Engineers in the United States: 1995 Profile. Arlington, VA: National Science Foundation, 1998.

Cita MLA (9th ed.)

National Research Council (U.S.), et al. Doctoral Scientists and Engineers in the United States: 1995 Profile. National Science Foundation, 1998.