APA (7th ed.) Citation

Gray, H. . P. (1970). International travel - international trade. Hath Lexington Books.

Chicago Style (17th ed.) Citation

Gray, H Peter. International Travel - International Trade. Lexington, Mass.: Hath Lexington Books, 1970.

MLA (9th ed.) Citation

Gray, H Peter. International Travel - International Trade. Hath Lexington Books, 1970.

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