APA (7th ed.) Citation

Norman Lockyer Observatory. (1935). Handbook to the Norman Lockyer observatory (2a Ed.). Norman Lockyer Observatory Corporation.

Chicago Style (17th ed.) Citation

Norman Lockyer Observatory. Handbook to the Norman Lockyer Observatory. 2a Ed. London: Norman Lockyer Observatory Corporation, 1935.

MLA (9th ed.) Citation

Norman Lockyer Observatory. Handbook to the Norman Lockyer Observatory. 2a Ed. Norman Lockyer Observatory Corporation, 1935.

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