APA (7th ed.) Citation

Minnaert, M. G. J. (1969). Practical work in elementary astronomy. Reidel.

Chicago Style (17th ed.) Citation

Minnaert, Marcel G. J. Practical Work in Elementary Astronomy. Dordrecht: Reidel, 1969.

MLA (9th ed.) Citation

Minnaert, Marcel G. J. Practical Work in Elementary Astronomy. Reidel, 1969.

Warning: These citations may not always be 100% accurate.