Six-membered heterocyclic nitrogen compounds with four condensed rings
[by] C. F. H. Allen, in collaboration with D. M. Burness [and others]
APA Citation
Allen, C. F. H. (Charles Francis Hitchcock). (1951). Six-membered heterocyclic nitrogen compounds with four condensed rings. New York: Interscience Publishers.
MLA Citation
Allen, C. F. H. (Charles Francis Hitchcock), 1895-1979. Six-membered Heterocyclic Nitrogen Compounds With Four Condensed Rings. New York: Interscience Publishers, 1951.
Warning: These citations may not always be complete (especially for serials).