Cita APA (7th ed.)

Bonatti, W., & Edwards, L. F. (1979). On the heights. Diadem ; [Distributed by] Cordee Publishing.

Cita Chicago (17th ed.)

Bonatti, Walter, i Lovett Fielding Edwards. On the Heights. London : Leicester (249 Knighton Church Rd, Leicester): Diadem ; [Distributed by] Cordee Publishing, 1979.

Cita MLA (8th ed.)

Bonatti, Walter, i Lovett Fielding Edwards. On the Heights. Diadem ; [Distributed by] Cordee Publishing, 1979.