Cita APA (7a ed.)

Fowler, O. S., Fowler, L. N., & Kirkham, S. (1837). Phrenology proved. Printed for the authors, by W. H. Coyler.

Cita Chicago Style (17a ed.)

Fowler, O. S., L. N. Fowler, y Samuel Kirkham. Phrenology Proved. New-York: Printed for the authors, by W. H. Coyler, 1837.

Cita MLA (8a ed.)

Fowler, O. S., et al. Phrenology Proved. Printed for the authors, by W. H. Coyler, 1837.