Cita APA (7a ed.)

Murray, W., & Aitchison, M. (1965). I like to write. Ladybird Books.

Cita Chicago Style (17a ed.)

Murray, William, y Martin Aitchison. I like to Write. Loughborough: Ladybird Books, 1965.

Cita MLA (9a ed.)

Murray, William, y Martin Aitchison. I like to Write. Ladybird Books, 1965.