Cita APA (7a ed.)

Appenzellar, I., & Jordan, C. (1987). Circumstellar Matter. Reidel Publishing Company.

Cita Chicago Style (17a ed.)

Appenzellar, I., y C. Jordan. Circumstellar Matter. Dordrecht: Reidel Publishing Company, 1987.

Cita MLA (9a ed.)

Appenzellar, I., y C. Jordan. Circumstellar Matter. Reidel Publishing Company, 1987.