Evil Dead 2: After Ash severs his deadite-possessed arm, which comes to life and attacks him, Ash immediately had the living appendage trapped under a bucket and piles a number of books on it to stop the hand from crawling out. The book on top? "A Farewell to Arms".
In Silver Linings Playbook, Pat reads the book... then screams "WHAT THE FUCK?" and throws it out the window.
Licence to Kill: When Bond's licence to kill is revoked and asked to hand over his gun at the Hemingway House, he comments, before leaving the scene with his weapon.
In My Dark Vanessa, Vanessa's English class reads the novel. When Hannah Levesque calls it boring, Strane snaps that Hemingway would probably find her boring.
Sven Hassel homages (or plagiarizes) lines in Monte Cassino, his own novel set in Italy, this time during World War 2.
Family Guy: Peter wakes up in the hospital, and Doctor Hartman tells him some news by holding up the book. Peter gasps—"I fell in love with a World War I nurse?"—and Doctor Hartman deadpans that there's no way Peter actually read the book.