APA (7th ed.) Citation

Motz, L., & Duveen, A. (1966). Essentials of astronomy. Wadsworth.

Chicago Style (17th ed.) Citation

Motz, Lloyd, and Anneta Duveen. Essentials of Astronomy. Belmont, Calif: Wadsworth, 1966.

MLA (9th ed.) Citation

Motz, Lloyd, and Anneta Duveen. Essentials of Astronomy. Wadsworth, 1966.

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