Cita APA (7a ed.)

Whittaker, S. E., & Robinson, G. (1948). The calculus of observation (4a ed.). Blackie & Son.

Cita Chicago Style (17a ed.)

Whittaker, Sir Edmund, y G. Robinson. The Calculus of Observation. 4a ed. London: Blackie & Son, 1948.

Cita MLA (8a ed.)

Whittaker, Sir Edmund, y G. Robinson. The Calculus of Observation. 4a ed. Blackie & Son, 1948.