APA (7th ed.) Citation

Hartmann, W. K. (1987). Universe. Aurum Press Limited.

Chicago Style (17th ed.) Citation

Hartmann, William K. Universe. London: Aurum Press Limited, 1987.

MLA (9th ed.) Citation

Hartmann, William K. Universe. Aurum Press Limited, 1987.

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