APA (7th ed.) Citation

Allsop, J. Penguin English tests: Book 2. Gelatik.

Chicago Style (17th ed.) Citation

Allsop, Jake. Penguin English Tests: Book 2. Gelatik.

MLA (8th ed.) Citation

Allsop, Jake. Penguin English Tests: Book 2. Gelatik.

Warning: These citations may not always be 100% accurate.