Can someone help me out?

Which of these sentences exhibits proper usage? a. many doctors affiliated with university hospital expressed concern about the policy (moore 5). b. many doctors affiliated with university hospital expressed concern about the policy (moore 5). c. many doctors affiliated with university hospital expressed concern about the policy (moore 5). d. many doctors affiliated with university hospital expressed concern about the policy (moore 5).

If the author's last name is mentioned in the sentence, it does not need to be included in the in-text citation.

The point of view that london uses in white fang the reader understand the perspectives