APA (7th ed.) Citation

Allen, C. F. H. (1951). Six-membered heterocyclic nitrogen compounds with four condensed rings / by C.F.H. Allen. Interscience.

Chicago Style (17th ed.) Citation

Allen, Charles Francis Hitchcok. Six-membered Heterocyclic Nitrogen Compounds with Four Condensed Rings / by C.F.H. Allen. Interscience, 1951.

MLA (9th ed.) Citation

Allen, Charles Francis Hitchcok. Six-membered Heterocyclic Nitrogen Compounds with Four Condensed Rings / by C.F.H. Allen. Interscience, 1951.

Warning: These citations may not always be 100% accurate.