Cita APA (7a ed.)

Herriot, J., & Dewsnap, R. (1970). If only they could talk. Grafisk Forlag.

Cita Chicago Style (17a ed.)

Herriot, James, y Robert Dewsnap. If only They Could Talk. Copenhague: Grafisk Forlag, 1970.

Cita MLA (9a ed.)

Herriot, James, y Robert Dewsnap. If only They Could Talk. Grafisk Forlag, 1970.