APA (7th ed.) Citation

Church, A. H. (1921). Elementary notes on the systematy of Angiosperms: By A. H. Church. Humphrey Milford Oxford University Press.

Chicago Style (17th ed.) Citation

Church, Arthur H. Elementary Notes on the Systematy of Angiosperms: By A. H. Church. London: Humphrey Milford Oxford University Press, 1921.

MLA (9th ed.) Citation

Church, Arthur H. Elementary Notes on the Systematy of Angiosperms: By A. H. Church. Humphrey Milford Oxford University Press, 1921.