APA (7th ed.) Citation

Hopman, F., Adams, L., & Bachmann, A. (1978). Basic principles of passive solar building design. Swiss association for Techical Assistance.

Chicago Style (17th ed.) Citation

Hopman, Fred, Lowell Adams, and Andreas Bachmann. Basic Principles of Passive Solar Building Design. Kathmandu, Nepal: Swiss association for Techical Assistance, 1978.

MLA (9th ed.) Citation

Hopman, Fred, et al. Basic Principles of Passive Solar Building Design. Swiss association for Techical Assistance, 1978.