APA (7th ed.) Citation

Allen Press, Allen, L. M., & Allen, D. (1985). The Poeticon Astronomicon. The Allen Press.

Chicago Style (17th ed.) Citation

Allen Press, Lewis M. Allen, and Dorothy Allen. The Poeticon Astronomicon. [Greenbrae, Calif.]: The Allen Press, 1985.

MLA (9th ed.) Citation

Allen Press, et al. The Poeticon Astronomicon. The Allen Press, 1985.