Sample comic book title listing, italicize title, then a colon, then the book numbers in order, next book on next line:
Flash: 163, 191;
Includes: Sad Sack: 84; The Phantom: 21; Flash: 163, 191; Green Lantern: 51, 55; Aquaman: 33; Blackhawk: 233; Hawkman: 20, 39; Justice League of America: 15; The Atom: 7; Plastic Man: 6; Superman: 51, 140, 165, 167, 313, 346, 359; Archie: 16, 32, 53, 97, 157, 199;