APA (7th ed.) Citation

Petras, K., & Petras, R. (1996). World access: The handbook for citizens of the earth. Simon & Schuster.

Chicago Style (17th ed.) Citation

Petras, Kathryn, and Ross Petras. World Access: The Handbook for Citizens of the Earth. New York: Simon & Schuster, 1996.

MLA (9th ed.) Citation

Petras, Kathryn, and Ross Petras. World Access: The Handbook for Citizens of the Earth. Simon & Schuster, 1996.