APA (7e ed.) Bronvermelding

Smith, M. A., Wilt, D. E., & Erickson, J. B. (1997). Encyclopedia of physical sciences and engineering information sources (2nd ed.). Gale Research.

Chicago (17e ed.) Bronvermelding

Smith, Martin A., David E. Wilt, en Judith B. Erickson. Encyclopedia of Physical Sciences and Engineering Information Sources. 2nd ed. Detroit, MI: Gale Research, 1997.

MLA (9e ed.) Bronvermelding

Smith, Martin A., et al. Encyclopedia of Physical Sciences and Engineering Information Sources. 2nd ed. Gale Research, 1997.