Cita APA (7th ed.)

CHRISTIE, A. (2016). AT BERTRAM'S HOTEL. HARPERCOLLINS PUBLISHERS.

Cita Chicago (17th ed.)

CHRISTIE, AGATHA. AT BERTRAM'S HOTEL. LONDON: HARPERCOLLINS PUBLISHERS, 2016.

Cita MLA (9th ed.)

CHRISTIE, AGATHA. AT BERTRAM'S HOTEL. HARPERCOLLINS PUBLISHERS, 2016.