APA (7th ed.) Citation

Drucker, P. F. (1974). Management: Tasks, responsibilities, practices. National Book Store.

Chicago Style (17th ed.) Citation

Drucker, Peter F. Management: Tasks, Responsibilities, Practices. Manila: National Book Store, 1974.

MLA (9th ed.) Citation

Drucker, Peter F. Management: Tasks, Responsibilities, Practices. National Book Store, 1974.