Cita APA (7th ed.)

Loehr, R. C., Martin, C. S., & Rast, W. (1980). Phosphorus management strategies for lakes. Ann Arbor.

Cita Chicago (17th ed.)

Loehr, Raymond C., Colleen S. Martin, i Walter Rast. Phosphorus Management Strategies for Lakes. Ann Arbor: Ann Arbor, 1980.

Cita MLA (9th ed.)

Loehr, Raymond C., et al. Phosphorus Management Strategies for Lakes. Ann Arbor, 1980.