APA Citation

Gray John. (2011). Men are from Mars, Women are from Venus: The definitive guide to relationships. London: element.

Chicago Style Citation

Gray John. Men Are From Mars, Women Are From Venus: The Definitive Guide to Relationships. London: element, 2011.

MLA Citation

Gray John. Men Are From Mars, Women Are From Venus: The Definitive Guide to Relationships. London: element, 2011.

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