Cita APA (7a ed.)

Robles, E., & Sainsbury, G. (1958). Knives. Collins.

Cita Chicago Style (17a ed.)

Robles, Emmanuel, y Geoffrey Sainsbury. Knives. London: Collins, 1958.

Cita MLA (8a ed.)

Robles, Emmanuel, y Geoffrey Sainsbury. Knives. Collins, 1958.