Cita APA (7a ed.)

Shire, H., & Rinesi, E. (1978). A preface to Spencer. Longman.

Cita Chicago Style (17a ed.)

Shire, Helena, y Eduardo Rinesi. A Preface to Spencer. Nueva York: Longman, 1978.

Cita MLA (8a ed.)

Shire, Helena, y Eduardo Rinesi. A Preface to Spencer. Longman, 1978.