Cita APA (7a ed.)

Hubbard, B., & Thomson, A. (2022). What do we know about crop circles? Penguin Workshop.

Cita Chicago Style (17a ed.)

Hubbard, Ben, y Andrew Thomson. What Do We Know About Crop Circles? New York: Penguin Workshop, 2022.

Cita MLA (8a ed.)

Hubbard, Ben, y Andrew Thomson. What Do We Know About Crop Circles? Penguin Workshop, 2022.

Precaución: Estas citas no son 100% exactas.