Παραπομπή APA

Allen, H. (1948). Text-book of practical physics (3rd ed.). MacMillan.

Παραπομπή Chicago Style

Allen, H.S. Text-book of Practical Physics. 3rd ed. London: MacMillan, 1948.

Παραπομπή MLA

Allen, H.S. Text-book of Practical Physics. 3rd ed. MacMillan, 1948.