APA (7th ed.) Citation

Ortloff, H. S. (1931). Perennial gardens. The Macmillan company.

Chicago Style (17th ed.) Citation

Ortloff, H. Stuart. Perennial Gardens. New York: The Macmillan company, 1931.

MLA (9th ed.) Citation

Ortloff, H. Stuart. Perennial Gardens. The Macmillan company, 1931.