APA aipamena

Hoyle, F., & Hoyle, G. (1975). Into deepest space. Heinemann.

Chicago Style aipamena

Hoyle, Fred, and Geoffrey Hoyle. Into Deepest Space. London: Heinemann, 1975.

MLA aipamena

Hoyle, Fred, and Geoffrey Hoyle. Into Deepest Space. Heinemann, 1975.