APA (7th ed.) Citation

Perry, R. (1973). The polar worlds. A.H. & A.W. Reed.

Chicago Style (17th ed.) Citation

Perry, Richard. The Polar Worlds. Wellington: A.H. & A.W. Reed, 1973.

MLA (8th ed.) Citation

Perry, Richard. The Polar Worlds. A.H. & A.W. Reed, 1973.

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