Cita APA

Welchwer, F. J. (1948). Organic analytical reagents. vol 4. New York: D. Van Nostrand.

Citación estilo Chicago

Welchwer, Frank J. Organic Analytical Reagents. Vol 4. New York: D. Van Nostrand, 1948.

Cita MLA

Welchwer, Frank J. Organic Analytical Reagents. Vol 4. New York: D. Van Nostrand, 1948.