Cita APA (7th ed.)

Ruttledge, H. (1934). Everest 1933 (1a. ed.). Hodder & Stoughton.

Cita Chicago (17th ed.)

Ruttledge, Hugh. Everest 1933. 1a. ed. Londres: Hodder & Stoughton, 1934.

Cita MLA (9th ed.)

Ruttledge, Hugh. Everest 1933. 1a. ed. Hodder & Stoughton, 1934.