Cita APA (7a ed.)

Akeroyd, R., & Benedict, R. (1973). A Directory of Ephemera Collections in a National Underground Network.

Cita Chicago Style (17a ed.)

Akeroyd, Richard, y Russell Benedict. A Directory of Ephemera Collections in a National Underground Network. 1973.

Cita MLA (9a ed.)

Akeroyd, Richard, y Russell Benedict. A Directory of Ephemera Collections in a National Underground Network. 1973.