Cita APA (7a ed.)

Oursler, T. Lock 2, 4, 6. [S.n.].

Cita Chicago Style (17a ed.)

Oursler, Tony. Lock 2, 4, 6. [S.l.]: [S.n.].

Cita MLA (9a ed.)

Oursler, Tony. Lock 2, 4, 6. [S.n.].