APA-Zitierstil (7. Ausg.)

Harper, A. J., Höpel, I., & Sirc, S. (2005). Emblematic tendencies in the art and literature of the twentieth century. Centre for Emblem Studies.

Chicago-Zitierstil (17. Ausg.)

Harper, Anthony J., Ingrid Höpel, und Susan Sirc. Emblematic Tendencies in the Art and Literature of the Twentieth Century. Glasgow: Centre for Emblem Studies, 2005.

MLA-Zitierstil (9. Ausg.)

Harper, Anthony J., et al. Emblematic Tendencies in the Art and Literature of the Twentieth Century. Centre for Emblem Studies, 2005.