APA način citiranja (7. izdanje)

Lucas, J., & McKennell, V. (1974). The Penguin book of playgroups. Penguin Books.

Čikaški stil citiranja (17. izdanje)

Lucas, Joyce, i Vivienne McKennell. The Penguin Book of Playgroups. Harmondsworth ; Baltimore: Penguin Books, 1974.

MLA način citiranja (8. izdanje)

Lucas, Joyce, i Vivienne McKennell. The Penguin Book of Playgroups. Penguin Books, 1974.