APA引文

Gamow, G. (1990). <As >aventuras do Sr. Tompkins. Gradiva.

Chicago Style (17th ed.) Citation

Gamow, George. <As >aventuras Do Sr. Tompkins. Gradiva, 1990.

MLA引文

Gamow, George. <As >aventuras Do Sr. Tompkins. Gradiva, 1990.

警告：这些引文格式不一定是100％准确.