APA (7. basım) Alıntı

Ballard, P. B. (1934). Group tests of intelligence (Primera edición.). University of London Press.

Chicago Style (17. basım) Atıf

Ballard, Philip Boswood. Group Tests of Intelligence. Primera edición. London: University of London Press, 1934.

MLA (8th ed.) Atıf

Ballard, Philip Boswood. Group Tests of Intelligence. Primera edición. University of London Press, 1934.