APA (7th ed.) Citation

Small farm Energy Project (Hartington, Neb.). (1978). Window box solar collector design. Small Farm Energy Project.

Chicago Style (17th ed.) Citation

Small farm Energy Project (Hartington, Neb.). Window Box Solar Collector Design. Hartington, NE: Small Farm Energy Project, 1978.

MLA (9th ed.) Citation

Small farm Energy Project (Hartington, Neb.). Window Box Solar Collector Design. Small Farm Energy Project, 1978.

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