APA

Royal Collection Publications, . (2009). Buckingham palace. [Place of publication not identified]: Royal Collection Pubns.

Chicago

Royal Collection Publications, . 2009. Buckingham palace. [Place of publication not identified]: Royal Collection Pubns.

Harvard

Royal Collection Publications, . (2009). Buckingham palace. [Place of publication not identified]: Royal Collection Pubns.

MLA

Royal Collection Publications, . Buckingham palace. [Place of publication not identified]: Royal Collection Pubns. 2009.