APA (7th ed.) Citation

Gross, H. H., & Everson, R. C. (1984). World geography (Revised, 3. [print].). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Gross, Herbert H., and Roy C. Everson. World Geography. Revised, 3. [print]. Boston [u.a.]: Allyn and Bacon, 1984.

MLA (9th ed.) Citation

Gross, Herbert H., and Roy C. Everson. World Geography. Revised, 3. [print]. Allyn and Bacon, 1984.