APA (7th ed.) Citation

Balfour, A., Hollins, P., & Broadbent, G. (1970). Portsmouth. Studio Vista.

Chicago Style (17th ed.) Citation

Balfour, Alan, Peter Hollins, and Geoffrey Broadbent. Portsmouth. London: Studio Vista, 1970.

MLA (9th ed.) Citation

Balfour, Alan, et al. Portsmouth. Studio Vista, 1970.

Warning: These citations may not always be 100% accurate.