APA (7th ed.) Citation

余轶 & 俞莉丹. (2012). 哺乳动物: Mammals. 人民武警出版社.

Chicago Style (17th ed.) Citation

余轶 and 俞莉丹. 哺乳动物: Mammals. 人民武警出版社, 2012.

MLA (8th ed.) Citation

余轶 and 俞莉丹. 哺乳动物: Mammals. 人民武警出版社, 2012.