Cita APA (7a ed.)

Kermode, A. C. (1970). Flight without formulae (4th ed.). Pitman Publishing.

Cita Chicago Style (17a ed.)

Kermode, A. C. Flight Without Formulae. 4th ed. Bath: Pitman Publishing, 1970.

Cita MLA (8a ed.)

Kermode, A. C. Flight Without Formulae. 4th ed. Pitman Publishing, 1970.