Macbeth as acted at Covent Garden Theatre and 12 years at Sadlers Wells ... : prompt book with notes and instructions / by Sinclair and Phelps ... London, 1851.
MLA
Phelps, Samuel, 1804-1878, Shakespeare, William, 1564-1616, Sinclair, Henry. Macbeth as acted at Covent Garden Theatre and 12 years at Sadlers Wells ... : prompt book with notes and instructions / by Sinclair and Phelps ... London, 1851.. 1823?]. https://collections.library.yale.edu/catalog/10000364.
APA, 6th edition
Phelps, Samuel, 1804-1878, & Shakespeare, William, 1564-1616, & Sinclair, Henry. (1823?])[Macbeth as acted at Covent Garden Theatre and 12 years at Sadlers Wells ... : prompt book with notes and instructions / by Sinclair and Phelps ... London, 1851.]. https://collections.library.yale.edu/catalog/10000364.