APA (7th ed.) Citation

Gregory,, & Saddlemyer, A. (1970). The collected plays. Smythe.

Chicago Style (17th ed.) Citation

Gregory,, and Ann Saddlemyer. The Collected Plays. Gerrards Cross: Smythe, 1970.

MLA (9th ed.) Citation

Gregory,, and Ann Saddlemyer. The Collected Plays. Smythe, 1970.

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