Help, I'm stuck on these two questions

In the MLA Works Cited entry, what is "Space Vehicles"?

Johnson, Harris. “Space Vehicles.” Millennium

Encyclopedia. 4th ed. 1991.

an article in an encyclopedia


a book in the Millennium series


an article in a journal


an article on a website

Read the Works Cited entry for a magazine article.

Yakov, Dmitri, “Space Horizons.” Scientific

Life Feb. 2008: 13–19.
What is the proper way to format an in-text citation using MLA style?


(Yakov 13–19)


(Yakov, 13–19)


(Dmitri Yakov, 13–19)


(Yakov, pp. 13–19)