APA (7th ed.) Citation

Robertson, V., & Robertson, R. (1977). Alternate energy directory. Alternate Energy Pub. Co..

Chicago Style (17th ed.) Citation

Robertson, Vincent, and Robin Robertson. Alternate Energy Directory. Albuquerque, N.M.: Alternate Energy Pub. Co., 1977.

MLA (9th ed.) Citation

Robertson, Vincent, and Robin Robertson. Alternate Energy Directory. Alternate Energy Pub. Co., 1977.

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