APA aipamena

Bray, R., & Loughhead, R. (1964). Sunspots. Chapman & Hall.

Chicago Style aipamena

Bray, R.J, and R.E Loughhead. Sunspots. London: Chapman & Hall, 1964.

MLA aipamena

Bray, R.J, and R.E Loughhead. Sunspots. Chapman & Hall, 1964.