Cita APA (7th ed.)

Armstrong, L. D. (1975). A guide to international recommendations on names and symbols for quantities and on units of measurement / Lowe D. Armstrong. World Health Organization.

Cita Chicago (17th ed.)

Armstrong, Lowe D. A Guide to International Recommendations on Names and Symbols for Quantities and on Units of Measurement / Lowe D. Armstrong. Geneva: World Health Organization, 1975.

Cita MLA (9th ed.)

Armstrong, Lowe D. A Guide to International Recommendations on Names and Symbols for Quantities and on Units of Measurement / Lowe D. Armstrong. World Health Organization, 1975.