Perth Observatory. (1911). Astrographic catalogue 1900·0, Perth section, Dec. -31° to -41°: From photographs taken and measured at the Perth observatory, under the direction of W. Ernest Cooke ... .. Govt. Printer.
Chicago Style (17th ed.) CitationPerth Observatory. Astrographic Catalogue 1900·0, Perth Section, Dec. -31° to -41°: From Photographs Taken and Measured at the Perth Observatory, Under the Direction of W. Ernest Cooke ... .. [Perth, W.A.]: Govt. Printer, 1911.
MLA (8th ed.) CitationPerth Observatory. Astrographic Catalogue 1900·0, Perth Section, Dec. -31° to -41°: From Photographs Taken and Measured at the Perth Observatory, Under the Direction of W. Ernest Cooke ... .. Govt. Printer, 1911.
Warning: These citations may not always be 100% accurate.