Cita APA (7a ed.)

Martini, N. (1993). Operable lung cancer. [s.n.].

Cita Chicago Style (17a ed.)

Martini, Nael. Operable Lung Cancer. [S.l.]: [s.n.], 1993.

Cita MLA (9a ed.)

Martini, Nael. Operable Lung Cancer. [s.n.], 1993.