Cita APA (7a ed.)

Appenzeller, I., & Jordan, C. (1987). Circumstellar Matter. Reidel Publishing Comany.

Cita Chicago Style (17a ed.)

Appenzeller, I., y C. Jordan. Circumstellar Matter. Dordrecht: Reidel Publishing Comany, 1987.

Cita MLA (9a ed.)

Appenzeller, I., y C. Jordan. Circumstellar Matter. Reidel Publishing Comany, 1987.