APA

Poole H., Sneddon S., . (2022). Firearms. London: Routledge.

Chicago

Poole Helen, Sneddon Simon, . 2022. Firearms. London: Routledge.

Harvard

Poole H., Sneddon S., . (2022). Firearms. London: Routledge.

MLA

Poole Helen, Sneddon Simon, . Firearms. London: Routledge. 2022.