Cita APA (7a ed.)

Keelan, J. (2021). Let's discover: History ... class (First edition: April 2021.). CJ Fallon.

Cita Chicago Style (17a ed.)

Keelan, Jason. Let's Discover: History ... Class. First edition: April 2021. Dublin: CJ Fallon, 2021.

Cita MLA (9a ed.)

Keelan, Jason. Let's Discover: History ... Class. First edition: April 2021. CJ Fallon, 2021.