APA Style

Sommer, Carl. (2000). I am a Lion! . United Kingdom: Advance Publishing.

Chicago Style

Sommer, Carl. I am a Lion!. United Kingdom: Advance Publishing, 2000. .

MLA Style

Sommer, Carl. I am a Lion!. United Kingdom: Advance Publishing, 2000. .

Turabian Style

Sommer, Carl. I am a Lion!. United Kingdom: Advance Publishing, 2000. .