APA引文

Ray, F. A. O. a. P. O. Essentials of American government. Appleton-century-crofts inc.

Chicago Style (17th ed.) Citation

Ray, Frederic A. Ogg and P. Orman. Essentials of American Government. Appleton-century-crofts inc.

MLA引文

Ray, Frederic A. Ogg and P. Orman. Essentials of American Government. Appleton-century-crofts inc.

警告：这些引文格式不一定是100％准确.