Cita APA (7a ed.)

Martyn, I., & Brock, H. M. (1962). Learning to spell: A book for children aged 6 to 12. Harper of Holloway.

Cita Chicago Style (17a ed.)

Martyn, Irene, y H. M. Brock. Learning to Spell: A Book for Children Aged 6 to 12. London: Harper of Holloway, 1962.

Cita MLA (9a ed.)

Martyn, Irene, y H. M. Brock. Learning to Spell: A Book for Children Aged 6 to 12. Harper of Holloway, 1962.