APA (7th ed.) Citation

Gruhn, G., & Carter, W. (1994). Electric guitars and basses: A photographic history. GPI Books.

Chicago Style (17th ed.) Citation

Gruhn, George, and Walter Carter. Electric Guitars and Basses: A Photographic History. San Francisco, Calif.: GPI Books, 1994.

MLA (8th ed.) Citation

Gruhn, George, and Walter Carter. Electric Guitars and Basses: A Photographic History. GPI Books, 1994.

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