APA Style

Baker, Ann. (). Tree or Three? An Elementary Pronunciation Course . Cambridge: Cambridge University Press.

Chicago Style

Baker, Ann. Tree or Three? An Elementary Pronunciation Course. Cambridge: Cambridge University Press, . Text.

MLA Style

Baker, Ann. Tree or Three? An Elementary Pronunciation Course. Cambridge: Cambridge University Press, . Text.

Turabian Style

Baker, Ann. Tree or Three? An Elementary Pronunciation Course. Cambridge: Cambridge University Press, . Print.