APA (7th ed.) Citation

(1990). Geography 90/91 / Ed. Gerald R. Pitzl. The Dushkin.

Chicago Style (17th ed.) Citation

Geography 90/91 / Ed. Gerald R. Pitzl. The Dushkin, 1990.

MLA (8th ed.) Citation

Geography 90/91 / Ed. Gerald R. Pitzl. The Dushkin, 1990.

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