APA (7th ed.) Citation

Gravenor, C. P., Green, R., & Godfrey, J. D. (1973). Air photographs of Alberta (1960. Reprint.). Queen's Press.

Chicago Style (17th ed.) Citation

Gravenor, Conrad Percival, Richard Green, and John D. Godfrey. Air Photographs of Alberta. 1960. Reprint. Edmonton: Queen's Press, 1973.

MLA (9th ed.) Citation

Gravenor, Conrad Percival, et al. Air Photographs of Alberta. 1960. Reprint. Queen's Press, 1973.