APA (7th ed.) Citation

Boulton, J. (1979). Basic steps in astronomy. Blandford.

Chicago Style (17th ed.) Citation

Boulton, John. Basic Steps in Astronomy. Poole: Blandford, 1979.

MLA (9th ed.) Citation

Boulton, John. Basic Steps in Astronomy. Blandford, 1979.

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