Cita APA

Entwistle, P. F., & Entwistle, P. F. (1972). Pests of cocoa. London, Sydney: Longman.

Citación estilo Chicago

Entwistle, Philip Frank, y Philip Frank Entwistle. Pests of Cocoa. London, Sydney: Longman, 1972.

Cita MLA

Entwistle, Philip Frank, y Philip Frank Entwistle. Pests of Cocoa. London, Sydney: Longman, 1972.