Cita APA (7th ed.)

Astrand, P. (1978). Health and fitness. Skandia Insurance Company.

Cita Chicago (17th ed.)

Astrand, Per-Olof. Health and Fitness. Stockholm: Skandia Insurance Company, 1978.

Cita MLA (9th ed.)

Astrand, Per-Olof. Health and Fitness. Skandia Insurance Company, 1978.