How to parenthetically cite a book with no page number?

How does the literature of this period influence future generations of american literature? where have you seen traces of these themes and how were they presented in the other literature you read?

Ineed asap plzzz why is the mountain goat known as the poor man's cow? a. it is a cheap source of food. b. it is smaller than a cow. c. it looks like a cow.

Which best explains the role that the theme of freedom plays in this excerpt