Include all last names in both parenthetical citations and references in the text. Use the word and rather than an ampersand for both in-text and parenthetical citations. For three authors, place a comma after the first and second authors.
A few years later, British cosmologists discussed the flatness problem in the context of the
anthropic principle (Collins and Hawking 317).
Radically new approaches to educational uses of network technology have been recently
developed in China (Lai, Chen, and Yuan 2).
MLA style prefers, however, including the authors' names in the text.
A few years later, the British cosmologists Collins and Hawking discussed the flatness
problem in the context of the anthropic principle (317).
Lai, Chen, and Yuan have described China's development of radically new approaches to
educational uses of network technology (2).