Cita APA (7a ed.)

Gibson, J. E. (1968). The design of shell roofs (3rd ed.). Spon.

Cita Chicago Style (17a ed.)

Gibson, J. E. The Design of Shell Roofs. 3rd ed. London: Spon, 1968.

Cita MLA (8a ed.)

Gibson, J. E. The Design of Shell Roofs. 3rd ed. Spon, 1968.