APA引文

Freeling, N. (1975). Gun before butter. Penguin.

Chicago Style (17th ed.) Citation

Freeling, Nicolas. Gun Before Butter. Harmondsworth: Penguin, 1975.

MLA引文

Freeling, Nicolas. Gun Before Butter. Penguin, 1975.

警告：這些引文格式不一定是100％准確.