APA (7th ed.) Citation

Roberts, M. (1927). On the trail: Through British Columbia after forty years (1a. ed.). Eveleigh Nash & Grayson, Ltd.

Chicago Style (17th ed.) Citation

Roberts, Morley. On the Trail: Through British Columbia After Forty Years. 1a. ed. Londres: Eveleigh Nash & Grayson, Ltd, 1927.

MLA (9th ed.) Citation

Roberts, Morley. On the Trail: Through British Columbia After Forty Years. 1a. ed. Eveleigh Nash & Grayson, Ltd, 1927.