Cita APA (7th ed.)

Hudson, L. (1970). Frames of mind: Ability, perception and self-perception in the arts and sciences. Penguin.

Cita Chicago (17th ed.)

Hudson, Liam. Frames of Mind: Ability, Perception and Self-perception in the Arts and Sciences. Harmondsworth: Penguin, 1970.

Cita MLA (9th ed.)

Hudson, Liam. Frames of Mind: Ability, Perception and Self-perception in the Arts and Sciences. Penguin, 1970.