APA (7th ed.) Citation

Webster, R. S., MacAlister, P. R., & Etting, F. M. (1974). The astrolabe: Some notes on its history, construction and use. Paul MacAlister & Associates.

Chicago Style (17th ed.) Citation

Webster, Roderick S., Paul R. MacAlister, and Flolydia M. Etting. The Astrolabe: Some Notes on Its History, Construction and Use. Lake Bluff, Ill.: Paul MacAlister & Associates, 1974.

MLA (9th ed.) Citation

Webster, Roderick S., et al. The Astrolabe: Some Notes on Its History, Construction and Use. Paul MacAlister & Associates, 1974.