Citazione Stile APA (7a Edizione)

Lewis, J., Lewis, D., Lewis, W., & Roxas, D. A. Always: For piano, organ, accordion, guitar and other c instruments. [s.n.].

Citazione stile Chigago Style (17a edizione)

Lewis, Jonathan, David Lewis, Wayne Lewis, e Digna Agra Roxas. Always: For Piano, Organ, Accordion, Guitar and Other C Instruments. [S.l.]: [s.n.].

Citatione MLA (9a ed.)

Lewis, Jonathan, et al. Always: For Piano, Organ, Accordion, Guitar and Other C Instruments. [s.n.].