Cita APA (7a ed.)

Contopoulos, G. (1974). Highlights of astronomy. Reidel Publishing Company.

Cita Chicago Style (17a ed.)

Contopoulos, G. Highlights of Astronomy. Dordrecht: Reidel Publishing Company, 1974.

Cita MLA (9a ed.)

Contopoulos, G. Highlights of Astronomy. Reidel Publishing Company, 1974.