APA (7th ed.) Citation

Wyatt, S. P. (1964). Principles of astronomy / by S.P. Wyatt. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Wyatt, S. P. Principles of Astronomy / by S.P. Wyatt. Allyn and Bacon, 1964.

MLA (9th ed.) Citation

Wyatt, S. P. Principles of Astronomy / by S.P. Wyatt. Allyn and Bacon, 1964.

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