APA (7th ed.) Citation

Ribenboim, P. (1994). Catalan's conjecture: Are 8 and 9 the only consecutive powers? Academic Press.

Chicago Style (17th ed.) Citation

Ribenboim, Paulo. Catalan's Conjecture: Are 8 and 9 the Only Consecutive Powers? Boston u.a: Academic Press, 1994.

MLA (9th ed.) Citation

Ribenboim, Paulo. Catalan's Conjecture: Are 8 and 9 the Only Consecutive Powers? Academic Press, 1994.