APA引文

Ketzner, K. (1977). The Language of the World. Routledge & Kegan Paul.

Chicago Edition Citation

Ketzner, Kenneth. The Language of the World. London: Routledge & Kegan Paul, 1977.

MLA引文

Ketzner, Kenneth. The Language of the World. Routledge & Kegan Paul, 1977.

警告：這些引文格式不一定是100％准確.