APA (7th ed.) Citation

Pitcher, T. J. (1977). Energy budget for a rainbow trout farm. Environmental Conservation, 4, 59.

Chicago Style (17th ed.) Citation

Pitcher, T. J. "Energy Budget for a Rainbow Trout Farm." Environmental Conservation 4 (1977): 59.

MLA (9th ed.) Citation

Pitcher, T. J. "Energy Budget for a Rainbow Trout Farm." Environmental Conservation, vol. 4, 1977, p. 59.