Which of these is the BEST way to change the formatting of the citation in line 28?

Question

Responses
A (Johnson, American Writers Almanac.)(Johnson, American Writers Almanac.)
B (Johnson).(Johnson).
C ("Dunbar, Paul Laurence").("Dunbar, Paul Laurence").
D (1999 ed., Dunbar).

Answer 1

C ("Dunbar, Paul Laurence").("Dunbar, Paul Laurence").