Цитирование APA (7-е изд.)

Hartwick, J. M. (1984). The persistence of qwerty and analogous seemingly suboptimal technologies. Department of Economics, Queen's University.

Цитирование в стиле Чикаго (17-е изд.)

Hartwick, John M. The Persistence of Qwerty and Analogous Seemingly Suboptimal Technologies. Kingston, Ontario, Canada: Department of Economics, Queen's University, 1984.

Цитирование MLA (9-е изд.)

Hartwick, John M. The Persistence of Qwerty and Analogous Seemingly Suboptimal Technologies. Department of Economics, Queen's University, 1984.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.