Cita APA (7a ed.)

Hedman, D. E., & Hopkinson, R. H. Transient studies notebook.

Cita Chicago Style (17a ed.)

Hedman, D. E., y R. H. Hopkinson. Transient Studies Notebook. New York.

Cita MLA (9a ed.)

Hedman, D. E., y R. H. Hopkinson. Transient Studies Notebook.