APA

Treble H. A., Vallins G. H. & Oxford University Press. (1936). An A.B.C. of English usage. London: Oxford at the Clarendon Press.

Chicago

Treble Henry Arthur, Vallins George Henry and Oxford University Press. 1936. An A.B.C. of English usage. London: Oxford at the Clarendon Press.

Harvard

Treble H. A., Vallins G. H. and Oxford University Press. (1936). An A.B.C. of English usage. London: Oxford at the Clarendon Press.

MLA

Treble Henry Arthur, Vallins George Henry and Oxford University Press. An A.B.C. of English usage. London: Oxford at the Clarendon Press. 1936.