APA (7th ed.) Citation

Markham, L. (1990). Theodore Roosevelt. Harrap Books Ltd.

Chicago Style (17th ed.) Citation

Markham, Lois. Theodore Roosevelt. Great Britain: Harrap Books Ltd, 1990.

MLA (9th ed.) Citation

Markham, Lois. Theodore Roosevelt. Harrap Books Ltd, 1990.

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