APA ציטוט
ebrary, Inc, & Smith, J. V. (1999). Colloquium on geology, mineralogy, and human welfare. National Academy of Sciences.
Chicago Style (17th ed.) Citation
ebrary, Inc, and Joseph V. Smith. Colloquium on Geology, Mineralogy, and Human Welfare. Washington, D.C.: National Academy of Sciences, 1999.
ציטוט MLA
ebrary, Inc, and Joseph V. Smith. Colloquium on Geology, Mineralogy, and Human Welfare. National Academy of Sciences, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.