Cita APA (7a ed.)

Macrae, D. G. (1987). Weber (5th. ed.). Fontana Press.

Cita Chicago Style (17a ed.)

Macrae, Donald G. Weber. 5th. ed. Glasgow: Fontana Press, 1987.

Cita MLA (9a ed.)

Macrae, Donald G. Weber. 5th. ed. Fontana Press, 1987.