APA (7th ed.) Citation

Ray, J. (1980). Discovery and exploration (1. publ.). Heinemann.

Chicago Style (17th ed.) Citation

Ray, John. Discovery and Exploration. 1. publ. London [u.a.]: Heinemann, 1980.

MLA (9th ed.) Citation

Ray, John. Discovery and Exploration. 1. publ. Heinemann, 1980.